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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$290
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$870
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$2.9k

Centaur ⋅ 1938

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$300
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$900
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$3k

Centaur ⋅ 1938

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$220
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$660
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$2.2k

Centaur ⋅ 1940

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$440
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$1.3k
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$4.4k

Centaur ⋅ 1940

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$200
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$600
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$2k
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$750
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$2.8k
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$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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$370
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$1.1k
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$3.7k

Centaur ⋅ 1940

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$270
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$810
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$2.7k
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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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