Wilt Chamberlain 1992 Upper Deck Heroes #18 AUTO 100% Authentic Diamond Hologram. This is Wilt Chamberlains FIRST UD CERTIFIED on-card autograph. 100% authentic and highly undervalued, these cards were signed for Upper Deck in 1992 and are distinguished from ubiquitous UD Heroes #18 base cards and fake autos by the DIAMOND HOLOGRAM on the back (the base cards and fake autos have a circle hologram on the backsee pics). The item "Wilt Chamberlain 1992 Upper Deck Heroes #18 AUTO 100% Authentic Diamond Hologram" is in sale since Wednesday, January 29, 2020. This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Trading Card Singles".The seller is "mksportscards" and is located in Davis, California. This item can be shipped worldwide.