1958 Bob Kane� Signed / Autographed� Pencil Sketch� Drawing� of Batman and Robin Art Vintage Reprint 261/500. "To My Pal, From Batman and Robin. Best Wishes, Bob Kane." I bought this on eBay years ago, it includes a Certificate of Authenticity from Harry Schoellig of WorldWide Image Works, who did a limited edition sketchboard copy collectible print of the original sketch in 1979. Item is from a smoke / pet free home, please feel free to ask questions.