Custom on-field style jersey. Everything sewn on, size L. Hand-signed by Paul Popovich.He earned the nickname "Super sub" for his utility work for the Cubs in 1969. He also had a career high .312 batting average, as the Cubs battled the New York Mets for the N.L. East crown. He remained a super sub for the Cubs through the 1973 season. His best season came in 1971. While he batted a meager .217, he had a career high 28 RBIs, and tied his career high from the previous season with four home runs. The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA.Authentication: JSA COA Shop our ebay store / Friendly Confines Collectibles for thousands of different autographed jerseys