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Swamp Thing Keys

Low $225
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Mid $675
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High $1k
  • 1st appearance of the Swamp Thing (Alex Olsen)
Low $15
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Mid $40
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High $125
  • 1st appearance and origin of Alec Holland as the Swamp Thing
  • 1st cameo appearance of Anton Arcane, full appearance in #2
  • 1st appearance of Matt Cable, later becomes Sandman's (Dream) raven, Matthew, DC is casting for this role
Low $6
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Mid $20
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High $85
  • 1st full appearance of Anton Arcane
  • 1st cameo appearance of Patchwork Man
  • 2nd appearance of the Swamp Thing (Alec Holland)
Low $5
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Mid $15
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High $65
  • 1st full appearance of the Patchwork Man
  • 1st appearance of Abby Arcane
Low $2
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Mid $5
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High $18
  • Discovery of new powers, the ability to regenerate damaged or severed limbs
Low $5
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Mid $15
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High $60
  • 1st team-up of Swamp Thing and Batman
Low $2
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Mid $7
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High $18
  • Cover art by Bernie Wrightson
Low $30
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Mid $125
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High $290
  • Canadian Price Variant: $0.95
Low $4
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Mid $12
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High $30
  • Classic cover art by Bernie Wrightson
Low $1
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Mid $4
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High $12
  • Final artwork on a Swamp Thing title by Bernie Wrightson
Low $2
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Mid $8
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High $25
  • 1st written work on Swamp Thing by Alan Moore
Low $3
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Mid $8
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High $22
  • New origin of the Swamp Thing
  • 1st appearance of the Seeder (aka Floronic Man aka Plant Master)
Low $2
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Mid $8
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High $20
  • Unofficial cameo team appearance of Justice League Dark
Low $2
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Mid $5
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High $15
  • Cover homage of 'House Of Secrets' No. 92, the issue in which the Swamp Thing made his first appearance (as Alex Olsen)
  • Origin of Swamp Thing (Alex Olsen) retold
Low $10
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Mid $40
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High $100
  • 1st full appearance of Hellblazer (John Constantine)
Low $1
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Mid $2
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High $7
  • 2nd appearance of Hellblazer (John Constantine)
Low $1
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Mid $3
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High $10
  • Team-up of Superman and Swamp Thing
  • Written by Alan Moore
Low $1
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Mid $2
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High $7
  • 1st team appearance of the Parliament Of Trees, Elementals like Swamp Thing
  • Unaccredited cameo by Marvel's Man-Thing
Low $1
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Mid $2
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High $10
  • Unofficial cameo team appearance of the Justice League Dark: Swamp Thing, Hellblazer, Deadman, Phantom Stranger, Dr. Occult, Etrigan The Demon, Zatanna, The Spectre, Sargon and Dr. Fate
Low $1
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Mid $5
 | 
High $15
  • 1st unofficial team appearance of the Justice League Dark
  • Death of Giovanni Zatara and Sargon the Sorcerer
Low $1
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Mid $4
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High $12
  • Cover art by Stephen Bissette depicting Swamp Thing as the ivy on the gates of Arkham Asylum
Low $1
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Mid $2
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High $5
  • 1st appearance of Sprout, an elemental who will inhabit the body of Swamp Thing and Abby's baby
Low $1
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Mid $2
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High $9
  • Preview of 'Hellblazer' No. 1 (1988)
Low $1
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Mid $2
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High $3
  • 1st appearance of Tefe Holland, an earth elemental and the daughter of Abby and Swamp Thing