Upper Deck

Memorabilia and relic cards

Upper Deck's authenticity has been questioned in regards to players' jersey and uniform materials, but with no real founding. The cards state that the inserted items are known to Upper Deck to have been used or worn, and authenticity is certified by third-party memorabilia vendors. Some of Upper Deck's jersey materials are harvested at events like rookie photo shoots, during such events, players will wear provided uniforms to generate event-worn material that never sees the field of play, but these practices are reserved to rookies or retired players.