Chicago Cubs 1991 Upper Deck Baseball trading card #111, hand signed by 2-Time MLB All Star Game selection Shawon Dunston. Shawon Dunston autographed the trading card in black sharpie. This autograph is a clean, well placed signature that really pops nicely off of this collectible, which has been authenticated and encapsulated by Beckett Authentication Services (BAS). Beckett Authentication Number: 00014391005. Shawon Dunston has played professional baseball for the Chicago Cubs, St. Louis Cardinals, San Francisco Giants, Pittsburgh Pirates, New York Mets and Cleveland Indians (Guardians).