He signed this with a pen.
PATRICK MAHOMES AUTOGRAPH SIGNED 2018 SPORTS ILLUSTRATED NO LABEL JSA Letter COA
Autographed/Signed Tyreek Hill Kansas City Red Football Jersey JSA COA at 's Sports Collectibles Store
Patrick Mahomes Autographed and Framed Kansas City Chiefs Jersey
Aaron Donald Autographed and Framed White Rams Jersey
Patrick Mahomes 2013 Whitehouse Wildcats High School Team Signed Football JSA
Patrick Mahomes Super Bowl LIV MVP Signed NFL Game Football JSA COA — Showpieces Sports
Patrick Mahomes Signed Jersey (JSA COA & Sports Memorabilia Hologram)
Patrick Mahomes Kansas City Chiefs Signed Authentic Red Nike Elite Jersey BAS
Patrick Mahomes Autographed and Framed Kansas City Chiefs Jersey
Patrick Mahomes Signed Kansas City Chiefs Nike Limited Jersey W/ Sb Liv Mvp
Kansas City Chiefs – CollectibleXchange
Patrick Mahomes Signed Jersey (JSA)
Len Dawson Autographed Signed Framed Kansas City Chiefs Jersey
Patrick Mahomes Autographed Kansas City Chiefs Nike Framed Jersey Beckett B