Keen Detective Funnies #23

Keen Detective Funnies — Centaur

Issue: #23

Last valuation update: 2026-09-30

Keen Detective Funnies (1938) #23 is published by Centaur and was released in Aug 1940. View cover art, issue details, and related characters and contributors.

First appearances: Air-Man

Characters: Masked Marvel, Air-Man, Dean Denton, The Eye, Conqueror, Spark O'leary