In an article by Bill Woolfolk that appeared in in Alter Ego #6, it reprints the color proof to this cover [in black and white], stating first it was drawn by John Giunta [who drew the feature at the same time Mort Leav did], and then a take-off on this cover by done in 1996, stating that both were done by Mort Leav.
Found on the inside front cover. Art credits added by Craig Delich 2012-12-2.
Art identification by Jim Vadeboncoeur and Hames Ware, verified by Bill Black. The cover to this story is actually found on the cover of The Mad Hatter #1 (January-February 1946).
Art identification by Jim Vadeboncoeur and Hames Ware.
Found on the inside back cover.
Found on the back cover. Sequence added by Craig Delich 2012-12-2.