Custom on-field style jersey. Everything is sewn on, size Adult XL. Hand-signed in silver paint pen by Mike Piazza (Los Angeler Dodgers, New York Mets, Florida Marlins, San Diego Padres, Oakland A's, HOF).A 12-time All-Star and 10-time Silver Slugger Award winner at catcher, Piazza produced strong offensive numbers at his position; in his career, he recorded 427 home runs--a record 396 of which were hit as catcher--along with a .308 batting average and 1,335 runs batted in (RBIs). The lot / autograph(s) includes an official Beckett Authentication Services serially numbered hologram for authenticity purposes. The signing of this item was witnessed by Beckett.Authentication: Beckett Hologram