17.25x18-5/8" frame contains artboard that has been matted to 9.25x11.5" and features original black felt tip pen sketch by Batman and Robin co-creator Bob Kane. Kane has personalized sketch w/word balloon by Batman's head that reads "Hello Bruce - Any Resemblance Between Your Name And Bruce Wayne Is Strictly Coincidental." Kane has further inscribed "With 'Bats' Wishes - Bob Kane" and added "1976" date. Tiny spot of staining by Kane's signature and at center right, and art has faded slightly over the decades, but still Exc. overall.