Floyd Mayweather Autographed/Signed $100 Bill Grade 10 Slab Beckett 43862 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Floyd Mayweather Slabbed Real Currency $100 USD with a grade 10 autograph that was personally autographed by Flloyd Mayweather. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.