The 2026 Topps Signature Class High Fidelity Kon Knueppel Rookie Insert HF-4 is a highly sought-after sports trading card featuring the rookie player Kon Knueppel from the Charlotte Hornets. This standard-sized card is made of high-quality card stock and is an original insert from the Topps set. With a unique signature variety and English language text, this NBA trading card is a must-have for basketball collectors looking to add a rare piece to their collection.