Key Collector Comics

Action Comics  (1938)

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Action Comics #231
Non-Key
DC ⋅ 1957
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Action Comics #231
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #232
Non-Key
DC ⋅ 1957
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Action Comics #232
 
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Non-Key Issue. No additional information is available.

Action Comics #233
Non-Key
DC ⋅ 1957
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Action Comics #233
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #234
Non-Key
DC ⋅ 1957
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Action Comics #234
 
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Non-Key Issue. No additional information is available.

Action Comics #235
Non-Key
DC ⋅ 1957
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Action Comics #235
 
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Non-Key Issue. No additional information is available.

Action Comics #236
Non-Key
DC ⋅ 1957
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Action Comics #236
 
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Non-Key Issue. No additional information is available.

Action Comics #237
Non-Key
DC ⋅ 1957
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Action Comics #237
 
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Non-Key Issue. No additional information is available.

Action Comics #238
Non-Key
DC ⋅ 1958
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Action Comics #238
 
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Non-Key Issue. No additional information is available.

Action Comics #239
Non-Key
DC ⋅ 1958
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Action Comics #239
 
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Non-Key Issue. No additional information is available.

Action Comics #240
Non-Key
DC ⋅ 1958
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Action Comics #240
 
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Non-Key Issue. No additional information is available.

Action Comics #241
DC ⋅ 1958
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Action Comics #241
 
Low
$120
Mid
$400
High
$1.2k

Key Facts

Introduction of the Fortress of Solitude

A prototype version of Superman's headquarters was introduced in Superman #17 and the name was mentioned in Superman #58

Action Comics #242
DC ⋅ 1958
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Action Comics #242
 
Low
$1k
Mid
$3k
High
$10k

Key Facts

1st appearance and origin of Brainiac

1st appearance of the Bottle City of Kandor, the capital city of Krypton

[May 2023 - Brainiac rumored for Superman Legacy]

Action Comics #243
Non-Key
DC ⋅ 1958
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Action Comics #243
 
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Non-Key Issue. No additional information is available.

Action Comics #244
Non-Key
DC ⋅ 1958
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Action Comics #244
 
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Non-Key Issue. No additional information is available.

Action Comics #245
Non-Key
DC ⋅ 1958
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Action Comics #245
 
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Non-Key Issue. No additional information is available.

Action Comics #246
Non-Key
DC ⋅ 1958
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Action Comics #246
 
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Non-Key Issue. No additional information is available.

Action Comics #247
Non-Key
DC ⋅ 1958
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Action Comics #247
 
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Non-Key Issue. No additional information is available.

Action Comics #248
DC ⋅ 1959
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Action Comics #248
 
Low
$40
Mid
$115
High
$400

Key Facts

1st appearance of Congorilla, formerly Congo Bill

Action Comics #249
Non-Key
DC ⋅ 1958
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Action Comics #249
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #250
Non-Key
DC ⋅ 1959
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Action Comics #250
 
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Non-Key Issue. No additional information is available.

Action Comics #251
DC ⋅ 1959
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Action Comics #251
 
Low
$10
Mid
$30
High
$100

Key Facts

Full page teaser ad of the first appearance of Supergirl in Action Comics #252

Action Comics #252
DC ⋅ 1959
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Action Comics #252
 
Low
$1.1k
Mid
$6k
High
$22k

Key Facts

1st appearance of Supergirl

1st appearance of Metallo

1st appearance of Zor-El, the father of Supergirl

[December 2023 - Supergirl rumored to be introduced in Superman: Legacy]

Action Comics #253
DC ⋅ 1959
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Action Comics #253
 
Low
$70
Mid
$205
High
$765

Key Facts

2nd appearance of Supergirl

As of April 2024, CGC census states: only 8 copies grade higher

Action Comics #254
DC ⋅ 1959
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Action Comics #254
 
Low
$70
Mid
$350
High
$910

Key Facts

1st appearance and origin of Bizarro #1, an imperfect version of Superman

Action Comics #255
DC ⋅ 1959
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Action Comics #255
 
Low
$60
Mid
$180
High
$600

Key Facts

1st appearance of Bizarro Lois Lane

Action Comics #256
Non-Key
DC ⋅ 1959
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Action Comics #256
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #257
Non-Key
DC ⋅ 1959
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Action Comics #257
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #258
Non-Key
DC ⋅ 1959
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Action Comics #258
 
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Non-Key Issue. No additional information is available.

Action Comics #259
Non-Key
DC ⋅ 1959
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Action Comics #259
 
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Non-Key Issue. No additional information is available.

Action Comics #260
Non-Key
DC ⋅ 1959
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Action Comics #260
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #261
DC ⋅ 1960
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Action Comics #261
 
Low
$35
Mid
$100
High
$325

Key Facts

1st appearance of Streaky the Supercat

Action Comics #262
DC ⋅ 1960
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Action Comics #262
 
Low
$15
Mid
$50
High
$160

Key Facts

Introduction of the concept that Kryptonians derive their powers from Earth's yellow sun

Introduction of the concept that Kryptonians are as powerful as ordinary humans under their native planet's red sun

Action Comics #263
DC ⋅ 1960
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Action Comics #263
 
Low
$45
Mid
$140
High
$450

Key Facts

Introduction of Bizarro World

Action Comics #264
Non-Key
DC ⋅ 1960
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Action Comics #264
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #265
Non-Key
DC ⋅ 1960
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Action Comics #265
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #266
Non-Key
DC ⋅ 1960
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Action Comics #266
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #267
DC ⋅ 1960
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Action Comics #267
 
Low
$75
Mid
$220
High
$825

Key Facts

3rd appearance of the Legion of Super-Heroes

First meeting of the Legion and Supergirl

1st appearance of Chameleon Boy

1st appearance of Invisible Kid

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1st appearance of Colossal Boy

Action Comics #268
Non-Key
DC ⋅ 1960
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Action Comics #268
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #269
Non-Key
DC ⋅ 1960
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Action Comics #269
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #270
Non-Key
DC ⋅ 1960
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Action Comics #270
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #271
Non-Key
DC ⋅ 1960
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Action Comics #271
 
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Key Facts

Non-Key Issue. No additional information is available.

Action Comics #272
Non-Key
DC ⋅ 1960
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Action Comics #272
 
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Non-Key Issue. No additional information is available.

Action Comics #273
Non-Key
DC ⋅ 1960
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Action Comics #273
 
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Non-Key Issue. No additional information is available.

Action Comics #274
Non-Key
DC ⋅ 1961
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Action Comics #274
 
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Non-Key Issue. No additional information is available.

Action Comics #275
DC ⋅ 1961
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Action Comics #275
 
Low
$12
Mid
$40
High
$130

Key Facts

Debut of Red/Green Kryptonite

Causes mutations, an extra eye on the back of Superman's head in this issue

Action Comics #276
DC ⋅ 1961
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Action Comics #276
 
Low
$120
Mid
$400
High
$1.2k

Key Facts

1st appearance of Sun Boy, a solar-powered member of the Legion of Super-Heroes

1st appearance of Phantom Girl, a member of the Legion of Super-Heroes who has the ability to phase through objects

1st appearance of Triplicate Girl, a member of the Legion of Super-Heroes who can split into three identical bodies

1st appearance of Bouncing Boy, a density-changing member of the Legion of Super-Heroes

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1st appearance of Shrinking Violet, a member of the Legion of Super-Heroes who can shrink to sub-atomic size

1st appearance of Braniac 5, a genius and time-traveling member of the Legion of Super-Heroes

Supergirl joins the Legion of Super-Heroes

Action Comics #277
Non-Key
DC ⋅ 1961
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Action Comics #277
 
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Non-Key Issue. No additional information is available.

Action Comics #278
Non-Key
DC ⋅ 1961
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Action Comics #278
 
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Non-Key Issue. No additional information is available.

Action Comics #279
Non-Key
DC ⋅ 1961
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Action Comics #279
 
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Non-Key Issue. No additional information is available.

Action Comics #280
Non-Key
DC ⋅ 1961
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Action Comics #280
 
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Non-Key Issue. No additional information is available.
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