Custom on-field style flex base jersey, size XL. Jersey has been hand-signed and inscribed by Bobby Shantz. Currently the Oldest Living MLB Player (Age 97 d.o.b. 09/26/25) to win an MVP AwardThe autograph includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA.Authentication: JSA COA