It's hard to believe Blake Griffin completed his 7th NBA season. It seems like just yesterday he was jumping over cars in the Slam Dunk contest and taking the league by storm with his explosiveness and athleticism. Celebrate Griffin's stellar rookie season with this autographed and inscribed Adidas swingman jersey. This autographed Blake Griffin jersey includes a Panini Authentic certificate of authenticity with a unique hologram number that corresponds to the hologram on the actual collectible. These holograms protect the integrity of the product and serve to guarantee the authenticity of the signature it bears. If for any reason you are not completely satisfied with the quality or authenticity of your purchase, we will gladly give you a full refund or exchange, whichever you prefer up to 30 days after purchase. Authenticator : Panini Authenticated History of item : Griffin has signed this item in the presence of a representative from Panini Authenticated.