[NOVICK, Irv (1916-2004) and BLAISDELL, Tex (1920-1999), artists]. Production artwork, including 2 overlay transparencies for The Joker, volume I, issue #6, page 1 (?Sherlock Stalks the Joker!?). [New York: April, 1976]. Both acetate transparency sheets are 11 ? x 8?; 292 x 203 mm. With a later full-color copy of the final splash page and a copy of the comic (somewhat worn, toned). In the story, the Joker hits an actor, Clive Sigerson, who is playing Sherlock Holmes on stage; Sigerson then believes himself to be the real Sherlock Holmes and pursues the Joker.