World's Finest Comics — DC Comics
Issue: #48
Last valuation update: 2025-11-10
THE GREAT STEEL MYSTERY: (Superman) a man develops a process for making steel 20% stronger and far cheaper. it gets him a promotion in his company and makes him rich but a little under a year after the first construction project with the new steel he declares he is retiring and shortly after that everything made with the new steel starts disappearing. turns out the new process bonds the molecule...
Creators: George Papp, Whitney Ellsworth, Bob Kane, Stan Kaye, Don Cameron, Harry Lampert, Wayne Boring, Winslow Mortimer, Joe Samachson, Phil Berube, William Woolfolk, Howard Sherman, Henry Boltinoff, Ralph Mayo, Jack Schiff
Characters: Batman, Dick Grayson, Superman, Joker, Lois Lane, Green Arrow, Zatara, Perry White, Roy Harper, Jerry the Jitterbug, Casey the Cop, Nervous Norman, The Wyoming Kid, Peg, Captain Tootsie