9.25x14.5" artboard has original pen and ink and watercolor art that was commissioned for the Overstreet Price Guide c. 1980 but was ultimately never used. Art is by Mort Leav, a comic artist best known as co-creator of the comic-book muck-monster The Heap as well as the character Skywolf. Dynamic scene has Skywolf tackling The Heap as he chases terrified woman down craggy hillside. Leav has signed his name in ink at lower right. Handwritten "Skywolf & The Heap" title at bottom margin in blue pencil. Exc. Reverse side has attached but worn tissue overlay for Price Guide logo. Exceptional design. From The Robert M. Overstreet Collection and comes with COA.