The 2021-22 Upper Deck Extended Series - Hologrfx Rookies Spencer Knight #HG-12 (RC) trading card is a standard-sized card featuring the rookie player Spencer Knight from the National Hockey League (NHL). Manufactured by Upper Deck in 2021, this original card is part of the Hologrfx Rookies insert set and belongs to the [Base] parallel/variety. Made of card stock and in English language, this sports trading card is a must-have for fans of ice hockey and the Florida Panthers team.