Dell Comics: Movie Classic #301 Merrill's Marauders (1962)
 
Movie Classic #12-510-301.

Although there is no month given in the indicia, the last 3 digits of the cover code (12-510-301) indicate a cover date of [196]3-01, i.e. January 1963.

On sale date is Library of Congress copyright record publication date. This movie was released in the U.S. on May 29, 1962.
 
Art by Geral McCann? Photo cover. #12-510-301 on cover 36 pages, full color. Cover price $0.12.