Ari Lehman Signed Garbage Pail Kids Green Estimation Jason #SF5B BAS Slab 43072 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see pictures for condition. This is a sticker card that was personally autographed by Ari Lehman. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.