Brave and the Bold (1955 1st Series DC) #76
Cover by Neal Adams. "Doom, What Is Thy Shape?", script by Bob Haney, pencils by Mike Sekowsky, inks by Jack Abel.
After a series of complex heists, the Molder attracts the attention of Batman, who begins a manhunt to find the sculpting villain; The Molder gains the upper hand when he traps Batman in front of an oncoming train, however the Caped Crusader is saved by Plastic Man!