Keen Detective Funnies #23

Keen Detective Funnies #23 The Masked Marvel story involves a plot centered on stolen aircraft and smuggling operations. After intercepting a coded message from a fast-moving stolen plane, the Masked Marvel pursues the aircraft and discovers a criminal ring operating out of San Francisco involving opium smuggling and murder. The villain Falco attempts to recruit a man named Spigetti into his criminal organization, but when Spigetti refuses, Falco uses a deadly trap involving a coil spring device; the Masked Marvel intervenes to stop Falco and his gang. The issue also features the debut of Air Man, a new winged hero introduced on the cover.