The Griffin Jax signed 2026 World Baseball Classic USA autographed ball is a highly sought-after collectible for baseball fans. Authenticated by James Spence Authentication (JSA), this original autographed ball from the 2026 tournament adds value to any sports memorabilia collection. Showcasing the signatures of Griffin Jax, this unique piece commemorates a special event in the world of baseball, making it a prized possession for fans of the sport. Note the ball has some yellowing from Rawlings. This is how the ball arrived.