Same Story, Different Cover: Workin' on our knight moves

Left: Tales of Suspense v.1 #73 (January 1966), pencils by Gene Colan, inks by Jack Abel, letters by Sam Rosen
Right: Marvel Super-Heroes #28 (October 1970), pencils by Marie Severin, inks by Bill Everett, letters by Sam Rosen

(Click picture to paladin-size)