2007-08 UD SPx Endorsements Auto RC. Graded PSA 10 Gem Mint! Up for sale is a unique Kevin Durant rookie card. It is a 2007-08 UD SPx Endorsements Auto RC that has been professionally graded a PSA 10 Gem Mint. These rookies are very tough to find.Don't miss out on this opportunity to own one of the best RCs of one of the best players to play the game. The item "07-08 KEVIN DURANT UD SPx ENDORSEMENTS SIGNATURE AUTO RC PSA 10 GEM Low Pop" is in sale since Tuesday, May 22, 2018. This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Basketball Cards". The seller is "legendscardcompany" and is located in Wyoming, Minnesota. This item can be shipped worldwide.