Leo Dorfman

Leo Dorfman (February 17, 1914 – July 9, 1974)(also credited as Geoff Brown and David George) was an American writer of comic books throughout the Silver Age. Although the majority of his work was for DC Comics, he also wrote for Dell Comics and Gold Key Comics.

Clicking on the eBay link and making a purchase may result in this site earning a commission from the eBay Partner Network.

Superboy #178

DC • 1971 • Vol. 1
Non-Key
View Details View Series
Superboy #178
 
Low
$5
Mid
$20
High
$65
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #179

DC • 1971 • Vol. 1
Non-Key
View Details View Series
Superboy #179
 
Low
$2
Mid
$5
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #181

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #181
 
Low
$2
Mid
$8
High
$30
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Action Comics #411

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Action Comics #411
 
Low
$5
Mid
$15
High
$50
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #183

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #183
 
Low
$2
Mid
$8
High
$25
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #184

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #184
 
Low
$2
Mid
$5
High
$18
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Action Comics #413

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Action Comics #413
 
Low
$5
Mid
$10
High
$35
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #186

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #186
 
Low
$2
Mid
$5
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #187

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #187
 
Low
$2
Mid
$5
High
$18
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #188

DC • 1972 • Vol. 1
View Details View Series
Superboy #188
 
Low
$1
Mid
$3
High
$12
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Origin of Karkan

Superboy #189

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #189
 
Low
$2
Mid
$5
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Action Comics #417

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Action Comics #417
 
Low
$5
Mid
$12
High
$40
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #190

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #190
 
Low
$2
Mid
$8
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Action Comics #418

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Action Comics #418
 
Low
$8
Mid
$20
High
$70
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #191

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #191
 
Low
$2
Mid
$5
High
$18
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #192

DC • 1972 • Vol. 1
Non-Key
View Details View Series
Superboy #192
 
Low
$1
Mid
$5
High
$15
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #156

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #156
 
Low
$1
Mid
$2
High
$10
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #157

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #157
 
Low
$1
Mid
$5
High
$15
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #194

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superboy #194
 
Low
$2
Mid
$5
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

DC 100-Page Super Spectacular #18

DC • 1973 • Vol. 1
Non-Key
View Details View Series
DC 100-Page Super Spectacular #18
 
Low
$1
Mid
$5
High
$12
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #158

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #158
 
Low
$1
Mid
$5
High
$15
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superboy #196

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superboy #196
 
Low
$2
Mid
$8
High
$25
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #159

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #159
 
Low
$5
Mid
$15
High
$50
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #160

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #160
 
Low
$5
Mid
$15
High
$45
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #161

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #161
 
Low
$5
Mid
$15
High
$50
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #162

DC • 1973 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #162
 
Low
$1
Mid
$5
High
$15
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #163

DC • 1974 • Vol. 1
Non-Key
View Details View Series
Superman's Pal Jimmy Olsen #163
 
Low
$1
Mid
$5
High
$12
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Ghosts #26

DC • 1974 • Vol. 1
Non-Key
View Details View Series
Ghosts #26
 
Low
$2
Mid
$8
High
$30
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

The Unexpected #157

DC • 1974 • Vol. 1
Non-Key
View Details View Series
The Unexpected #157
 
Low
$15
Mid
$50
High
$160
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Secrets of Sinister House #18

DC • 1974 • Vol. 1
Non-Key
View Details View Series
Secrets of Sinister House #18
 
Low
$12
Mid
$40
High
$125
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Mystery Comics Digest #21

Western • 1975 • Vol. 1
Non-Key
View Details View Series
Mystery Comics Digest #21
 
Low
$2
Mid
$10
High
$30
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Ghosts #37

DC • 1975 • Vol. 1
Non-Key
View Details View Series
Ghosts #37
 
Low
$2
Mid
$8
High
$20
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman Family #170

DC • 1975 • Vol. 1
Non-Key
View Details View Series
Superman Family #170
 
Low
$2
Mid
$8
High
$30
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Super-Team Family #1

DC • 1975 • Vol. 1
Non-Key
View Details View Series
Super-Team Family #1
 
Low
$5
Mid
$12
High
$45
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Four Star Spectacular #5

DC • 1976 • Vol. 1
Non-Key
View Details View Series
Four Star Spectacular #5
 
Low
$2
Mid
$8
High
$25
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

DC Special Series #7

DC • 1977 • Vol. 1
Non-Key
View Details View Series
DC Special Series #7
 
Low
$2
Mid
$8
High
$25
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Boris Karloff Tales of Mystery #88

Western • 1979 • Vol. 1
Non-Key
View Details View Series View Variants (1)
Boris Karloff Tales of Mystery #88
 
Low
$2
Mid
$10
High
$30
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Best of DC, The #6

DC • 1980 • Vol. 1
Non-Key
View Details View Series
Best of DC, The #6
 
Low
$1
Mid
$2
High
$3
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Best of DC, The #7

DC • 1980 • Vol. 1
Non-Key
View Details View Series
Best of DC, The #7
 
Low
$1
Mid
$2
High
$3
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Best of DC, The #8

DC • 1980 • Vol. 1
Non-Key
View Details View Series View Variants (1)
Best of DC, The #8
 
Low
$1
Mid
$2
High
$3
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Best of DC, The #17

DC • 1981 • Vol. 1
Non-Key
View Details View Series View Variants (1)
Best of DC, The #17
 
Low
$1
Mid
$2
High
$3
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Best of DC, The #19

DC • 1981 • Vol. 1
Non-Key
View Details View Series View Variants (1)
Best of DC, The #19
 
Low
$1
Mid
$2
High
$3
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #115

DC • 2026 • Vol. 1
Non-Key
Foil
View Details View Series
Superman's Pal Jimmy Olsen #115
 
Low
$1
Mid
$2
High
$7
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #115

DC • 2026 • Vol. 1
Non-Key
Facsimile
View Details View Series
Superman's Pal Jimmy Olsen #115
 
Low
$1
Mid
$2
High
$5
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Superman's Pal Jimmy Olsen #115

DC • 2026 • Vol. 1
Non-Key
Facsimile
View Details View Series
Superman's Pal Jimmy Olsen #115
 
Low
$1
Mid
$2
High
$4
View on

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.

Adjust Your Filters To See More Comics!

By default Key Collector searches for Standard Cover Key Issues.

Adjust the "Variants" and/or "Non-Key Issues" search filters above for additional content:

  • Variant Covers ([[totalVariants]])
  • Non-Key Issues ([[totalNonKeys]])

At Key Collector, our primary focus is on unearthing those rare Standard Cover Key Issues for you. However, the world of comic collectibles is vast and varied. We want to make sure you have the tools to explore it all!