This product is a 2025 Topps Chrome Sapphire Tennis Purple Sapphire Autographed trading card featuring an autograph from Martin Damm Jr. This limited edition card is numbered 01/10, making it a highly sought-after collectible for tennis fans and card collectors alike. Produced by Topps, a reputable manufacturer in the sports trading card industry, this card is authenticated by Topps and is part of the 2025 set dedicated to tennis athletes, specifically Martin Damm Jr.