Would of had 50 goals last season if it wasn't cut short. 28857612 PSA grading serial number. New Season should start soon! The item "2016 Upper Deck Young Guns #201 Auston Matthews RC Rookie PSA 10 GEM MINT Leafs" is in sale since Wednesday, December 2, 2020.This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Ice Hockey Cards". The seller is "calgarycardsandstarwars" and is located in Toronto, Ontario. This item can be shipped worldwide.