Demon Playing Cards No. 1571.?London: Davenports, 1930s. 52 + J. Regulation pack of custom cards for the magic and puzzle manufacturer and retailer. Mint sealed with export wrapper intact (stating ?imported playing cards /duty paid"). Export wrapper with short tears, pack mint sealed.Despite the ubiquity of the Davenports brand in the early to mid twentieth century, packs of these cards remain elusive to modern collectors. The cards were printed with a Steamboat-like back design, and a custom Ace of Spades and Joker, both incorporating the mascot/logo of the firm, a smiling demon. The firm also manufactured Stripper decks and other trick packs with the Demon 1571 cards.