Hockey fans, get your hands on this Aleksander Barkov Jr. Florida Panthers Autographed Hockey Puck - JSA Certified. This hockey puck has been hand-signed by Florida Panthers star, Aleksander Barkov. This signature has been authenticated by industry leader, James Spence Authentication (JSA) and comes with a Certificate of Authenticity (COA) that can be verified online. The puck will also have a sticker with a matching serial number. The Aleksander Barkov signed NHL puck ships with a protective hockey cube. SportsCollectibles.com is your one stop shop for authentic Florida Panthers signed memorabilia and Aleksander Barkov autographed collectibles.