This Autographed Auto Graded Gem Mint 10! 1991 Upper Deck #35 Aerial Threats Card has been Personally Signed by Jerry Rice & Joe Montana of the San Francisco 49ers. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. This is a stock item. We conducted an autograph signing with Jerry Rice & Joe Montana and we have several of these available. The one you will receive will be of equal quality to the one pictured. This item can be verified through BAS Slabbed.