Action Comics #21 (1940) price

Answered from real closed-sale prices · updated July 18, 2026

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The catalog shows that Action Comics #21 (1940) has a used comic book value of $1076. This is a highly significant piece of comic book history, and its value is driven by its rarity and cultural importance as one of the first appearances of Superman. You can compare this sold value against the current live listings shown on your screen to see what buyers are asking right now.

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Action ComicsAction Comics #21 (1940)$1,076
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Live on eBay right now — Action Comics #21 (1940)

1940 D.C. Comics Action Comics 20 CGC 1.8. Early Superman Cover1940 D.C. Comics Action Comics 20 CGC 1.8. Early Superman Cover$2,912Buy ↗Action Comics #21 PR 0.5 TRIMMED 1940Action Comics #21 PR 0.5 TRIMMED 1940$1,300Buy ↗1940 D.C. Comics Action Comics 28 CGC 1.8. Early Superman Cover1940 D.C. Comics Action Comics 28 CGC 1.8. Early Superman Cover$909.99Buy ↗Action Comics (1938 DC) 21 CGC Page 6 Only 4638737020Action Comics (1938 DC) 21 CGC Page 6 Only 4638737020$225Buy ↗action comics 51 / DC Comics, 1942 / .5 -1.0action comics 51 / DC Comics, 1942 / .5 -1.0$550Buy ↗1940 D.C. Comics Action Comics 22 CGC 1.0. Early Superman Cover1940 D.C. Comics Action Comics 22 CGC 1.0. Early Superman Cover$1,638Buy ↗
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