Keen Detective Funnies  (1938)

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$255
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$770
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$2.8k

Key Facts

1st appearance of Masked Marvel

Centaur ⋅ 1938

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$610
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$1.8k
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$6.1k

Centaur ⋅ 1938

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$310
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$930
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$3.1k

Centaur ⋅ 1938

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$300
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$900
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$3k

Centaur ⋅ 1938

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$230
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$690
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$2.3k

Centaur ⋅ 1940

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$510
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$1.5k
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$5.1k

Centaur ⋅ 1940

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$240
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$720
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$2.4k
Low
$750
Mid
$2.8k
High
$7.5k

Key Facts

Pre-Comics Code Authority horror cover art depicting a disembodied eyeball blasting humans with a power ray

Centaur ⋅ 1940

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$400
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$1.2k
High
$4k

Centaur ⋅ 1940

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$280
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$840
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$2.8k
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$1k
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$3k
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$10k

Key Facts

1st appearance of Air Man

Centaur ⋅ 1940

Low
$85
Mid
$250
High
$825

Key Facts

Cover art featuring Air Man

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