the art of disney imagination collectible stamp sheet of twenty stamps scott 4342-45 by usps usps on august 7, 2008, at disneyland resort, in anaheim, california, the u.s. postal service issued the 42-cent the art of disney: imagination commemorative stamps in four designs that feature mickey mouse as steamboat willie; princess aurora and her helpers flora, fauna, and merry-weather from "sleeping beauty;" pongo and one of his pups from "101 dalmatians;" and mowgli and baloo from "the jungle book."