![Jason Giambi Signed Autographed Oakland Athletics Baseball Jersey (JSA COA)](http://sterlingauthentics.com/cdn/shop/products/1_1d15c418-6e14-4b20-b381-8d1778b64774_{width}x.jpg?v=1509656650)
Jason Giambi Signed Autographed Oakland Athletics Baseball Jersey (JSA COA)
An Oakland A's baseball jersey. It has been hand-signed by MLB legend Jason Giambi. The signature comes with a COA from JSA and includes their tamper-proof serial-numbered authentication sticker.