Steve Grogan Autographed 2019 Donruss Signature Marks PSA Authenticated
Tennzone Sports Memorabilia is dedicated in providing our customers with only 100% Authentic hand-signed sports memorabilia. You have our complete assurance that every hand-signed sports memorabilia we offer is 100% genuine and are personally hand-signed by the athlete or athletes themselves. Our Guarantee is simple. If any item we sell is ever found to be of doubtful authenticity, we will issue an immediate and no-questions-asked refund. In the history of our business, we have never had to issue a refund because our items are 100% authentic. How do we know this? We or one of our representatives attend and witness every signing. Our Authenticity Guarantee will give you the peace of mind you seek in this industry where 50% – 98% of the hand-signed items being offered are fraudulent.
