Devonte Graham signed sports memorabilia is a top-seller. This Devonte Graham Autographed Kansas Red Custom Jersey - JSA Authentic has been certified by JSA and will come with a Certificate of Authenticity (COA). Devonte Graham autograph memorabilia collectors will love this quality signed product. This item is in stock and ships out same day. Autographed Kansas Jayhawks memorabilia is valuable and a perfect gift idea for a diehard fan.