How to Master Chamionship Tricks with Genuine Gold Seal YO-YO Duncan Tops: Book of 40 Tricks
Chicago: Donald F. Duncan, 1947. First Edition, First Printing. Original wraps. 4 1/2 x 5 1/4 inches. 48 PP. Original illustrated guide to Yo-You tricks by Mr. Yo-Yo himself. Duncan held the trademark on the term "yo-yo" from 1932 to 1965. Interestingly, the Supreme Court took his trademark away because..... More