Action Comics #23 Variation B (2025 Facsimile Edition Sketch Blank Cover B)

1st appearance of Black Pirate (Jon Valor); 1st Appearance of Lex Luthor; 1st appearance of Lex Luthor

cartoon: Uncle Otto; Spy’s Return (text story); Treasure Tower

Writers: Jerry Siegel, Gardner Fox, Will Eisner, Jack Anthony

Artists: Joe Shuster, Paul Cassidy, Sheldon Moldoff, Fred Guardineer, Gene Baxter, Chad Grothkopf, Will Eisner, Bernard Baily