Myles Garrett fans and collectors will love this authentic signed item. Texas A&M Aggies Autographed Full Size Helmets are top selling items in the NCAA Memorabilia world. This Myles Garrett Autographed Texas A&M Riddell Matte Speed Authentic Helmet - JSA Certified Authentic has been hand signed by Myles Garrett and is authenticated by JSA - COA Included in Packaging. Prime One Sports is your online leader in authentic Myles Garrett autographed sports memorabilia.