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Marvel Mystery Comics #23

Marvel Mystery Comics #23

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Market Value

Ungraded
$2,064
as of Sep 4, 2026
Graded (CGC 8.0)
$7,110
as of Sep 4, 2026
Graded copies for sale
$465 - $9,900
20 graded copies listed, as of Aug 30, 2026
Reprinted 9x

N-4, a Nazi saboteur, has infiltrated the Topper Tank factory as an executive secretary. She has her men build a hideout above a superhighway so that she can drop a ramp to capture experimental models of a new tank during transit. She is finally unmasked by the Torch and Toro.

Cover Date

September 1, 1941

On Sale Date

July 14, 1941

Pages

68

Cover Price

$0.10

Editor

Joe Simon

Credits

Characters

Aarkus; David Rand; Human Torch; Jeff Mace; Jim Hammond; Ka-Zar the Great; Namor; Terry Vance; The Angel; The Patriot; The Sub-Mariner; The Vision; Thomas Halloway; Thomas Raymond; Toro; Black John (villain, death); Casey; Deadline Dawson; Diane Mason; Dr. Watson; George Hill (Diane's fiance); Howard (villain, stage director); Kai-Mak, the Shark-God (villain, death); Mary; Mayor Brown; mayor's butler (villain); Mona Lake (villain); Mr. Opperman (death); Mrs. Brown (mayor's wife); Mr. Topper; Prof. Dorn; Ramon Valerez (villain, death); Rudolph (villain); Sigmund (villain); The Leader [N-4]; the Nazis (villains, all die); the Zambiji people; Trajah; un-named chief of police; Von Reiman (villain, dies)

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