A signed, one-of-a-kind Caitlin Clark rookie card sold at auction for $660,000, a record for women's sports cards. Another ...

Texas poker regular triumphs twice during five-event no-limit hold'em segment of tournament high-stakes series.

From Zekrom ex and Reshiram ex Black White Rares to stunning Special Illustration Rares, here are the 10 most valuable cards ...