Action Comics #21 (1940) worth

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

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The Action Comics #21 (1940) is valued in the catalog at $1076 used [1]. As this is a highly significant and rare comic book, its value is driven by its historical importance and condition. You can compare this sold value against the current live eBay asking prices shown on your screen to see if there are any opportunities to buy or sell.

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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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