On card auto. The 2025-26 Topps Chrome Signature Style Stephon Castle #SS-SC Blue Refractor /150 is a highly sought-after trading card featuring the player Stephon Castle from the National Basketball Association (NBA). Produced by Topps, this limited edition card is part of the Signature Style insert set, with a print run of only 150 pieces. The Blue Refractor parallel adds a unique visual appeal to the card, making it a valuable addition to any basketball trading card collection.