Brooks Robinson Autographed 1970 World Series Ticket Game 5 MVP BAS Slab 31617 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 1970 World Series ticket from Game 5 that was personally autographed by Brooks Robinson. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.