Mike Sekowsky

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Low $270
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Mid $810
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  • 1st appearance of Comedy Kids
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  • Origin of The 4th Musketeer
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  • 1st appearance and origin of Millie the Model
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  • Identity of the Blonde Phantom revealed
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  • 1st appearance of Captain Flash
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High $810
  • 2nd appearance of Rip Hunter
  • 2nd team appearance of the Time Masters
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  • 1st team appearance of the Justice League of America: Superman, Batman, Wonder Woman, Flash, Green Lantern, Aquaman
  • 1st appearance of Starro the Conqueror
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Mid $615
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  • 2nd team appearance of Justice League of America
  • 1st appearance of Xotar the Weapons Master
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  • 1st appearance of Amazo, an android that can replicate the powers of superhumans
  • 1st appearance of Professor Ivo, creator of Amazo
  • 3rd appearance of the Justice League of America
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  • 1st appearance and origin of Dr. Destiny
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  • 1st appearance of Professor Amos Fortune
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  • Origin of the JLA
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  • 1st meeting of Green Arrow and Black Canary
  • 1st appearance of Dr. Fate and Hourman in the Silver Age
  • 2nd appearance of Chronos
  • "Crisis on Earth" part 1
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  • 1st appearance of Queen Bee
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  • 2nd appearance of Amazo
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  • 2nd appearance of the Tattooed Man (Abel Tarrant)
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Mid $55
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  • 1st team appearance of the Crime Syndicate of America, an anti-Justice League
  • 1st appearance of Ultraman, Owlman, Power Ring, Super-Woman and Johnny Quick II (evil Doppelganger of the Flash)
  • 1st mention of the name Volthoom, the first 'Lantern' later developed by Geoff Johns
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  • Hawkman joins the Justice League of America
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High $140
  • 1st appearance of Brain Storm
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  • 1st appearance of Mr. Terrific in the Silver Age
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  • 1st appearance of the Key
Low $8
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Mid $25
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  • Death of Egghead
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  • 1st team appearance of the Royal Flush Gang: Ace, King, Queen, Jack and Ten of Clubs
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  • 1st appearance of Shaggy Man, a powerful but mindless beast
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  • 1st appearance of the Sandman (Wesley Dodds) in the Silver Age
  • "Crisis Between Earth One & Earth Two"
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  • 1st appearance of B'Wanna Beast
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  • 1st appearance of Allura, Mistress of Dark Elements and enemy of Zatanna
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  • 1st appearance of The Maniaks
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Mid $25
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  • 1st Silver Age appearance of the Golden Age Robin
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  • 2nd appearance Deadman
Low $9
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Mid $25
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High $115
  • 1st cover appearance of new Wonder Woman
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Mid $25
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High $105
  • Classic cover art by Mike Sekowsky
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High $50
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  • Supergirl models multiple costumes
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  • Supergirl debuts new costume
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High $55
  • Cover art depicting bondage