Blackstone, Harry (Henry Boughton). Blackstone the World?s Master Magician Standee. Erie: Erie Litho., ca. 1917. Die-cut bust portrait of Blackstone with a shock of dark hair, green and red imps perched on his shoulders and with a smoldering cauldron at the right. Framed to 38 ? x 27 ?". Rare. A striking and youthful portrait of the stage illusionist who reined supreme in America from 1936 to 1955, here depicted as his climb up the ladder of fame was beginning.