Find the first autographed memorabilia cards of the 2018 rookie class in Diamond Kings Rookie Material Signatures! This year will feature more variations than ever before in sets like black-and-white, name, photo and sepia! Find memorabilia of the all-time greats in DK Materials, Jersey Kings, Bat Kings, Studio Portraits Materials, and Diamond Deco. Jersey Kings and Bat Kings return to Diamond Kings in 2018! We’re throwing it back with our Retro 1982 Diamond Kings Materials Signatures, which features fan-favorite players from today and yesterday!