Sports Illustrated Magazine Top Pro Receiver featuring San Diegos Lance Alworth. December 13th, 1965 35c.

"This autograph is certified by a 20 year plus member of IADA (International Autograph Dealers Association) , UACC (Universal Autograph Collectors Club), IACC - International Autograph Collector Club), Manuscript Society, SAG (Screen Actors Guild), Southern California Motion Picture Council, APS (American Philatelic Society), ASCC (American Society Of Check Collectors), AFDCS (American First Day Cover Society), Hollywood Heritage Museum, and the Golden State Boxing Association. Additionally a member of the British Autograph Club and German Autograph Collectors Club. The COA issuer has the following credentials: UACC - Autograph Appraisal Course. UACC- Autograph Authentication Course. US Army CID Handwriting Program