Dermontti Dawson Signed 1989 Score #408S Rookie Card HOF Beckett 10 Slab 36283 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 trading card that was personally autographed by Dermontti Dawson. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.