This 1998 Upper Deck Retro baseball card is a valuable collector's item to own. It showcases a autograph from Gary Matthews Sr., who played for the Chicago Cubs in his career. The card is encased and accompanied by a Certificate of Authenticity (COA) from Beckett Authentication Services (BAS) with authentication number 00016502509. Made with card stock and standardized dimensions, this trading card is officially licensed and produced by Upper Deck. The autograph is hand-signed and the card is encapsulated. This card is an excellent addition to any sports trading card collection, especially for fans of the Chicago Cubs. Autographed in Black Sharpie. Gary Matthews Sr Autographed Chicago Cubs 1998 Upper Deck Retro Baseball Card #18. This signature has been authenticated and Encapsulated by experts at Beckett Authentication Services (BAS). Certificate Number 00016502509.