Patrick Mahomes Framed Signed Jersey JSA COA CHIEFS. This is your chance to receive a:Patrick Mahomes Jersey with JSA COAThis is a one of a kind framing! Will look great in your collection!! This is your chance to receive a. Patrick Mahomes Jersey with JSA COA.This is a one of a kind framing! This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Jerseys". The seller is "allstarsportsgr" and is located in this country: US. This item can be shipped to United States.