Sports and Entertainment Memorabilia – GTS offers a wide range of blind-packaged memorabilia products. We source these unique products through some of the industry’s premier vendors. A partial list includes Leaf Trading Cards, TRISTAR, Historic Autographs and Upper Deck. Available across multiple genres, our sports and entertainment memorabilia includes autographed baseballs, football helmets and jerseys, photographs and more. In addition to sports, we also offer entertainment and celebrity focused items, the most popular being Pop Century.