Pioneering comic artist (1869–1934) who created Little Nemo in Slumberland and Gertie the Dinosaur, who was the first original character developed solely for the animated cartoon and not based on a pre-existing comic strip. Original vintage twice-signed ink sketch of a caricature on an off-white 5.25 x 3.25 card, signed once with his stylized signature and again in cursive, “Many thanks, Winsor McCay.” In fine condition, with mild toning working in from the edges and some light scattered soiling. RRAuction COA.