GOLD BORDER….PSA POPULATION of 1. Non Higher. Rarest Tony Gwynn PSA graded card. For sale is a rare Tony Gwynn 2000 Topps 50 Years Gold SSP sports trading card graded by Professional Sports Authenticator (PSA) with a Grade of 8. This card features Gwynn as a member of the San Diego Padres during the 2001 season and is limited to only 2001 copies. It's the rarest card graded by PSA with a population of only 1. This card is a must-have for any baseball fan or collector. It comes from a smoke-free environment and will be shipped securely.