Larry Bird, Magic Johnson, Julius Erving Signed 1980 Topps PSA 4 Auto 10 Slab 37804 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 1980 Topps trading card that was personally autographed by Larry Bird, Magic Johnson and Julius Erving. This has been professionally graded and slabbed by Professional Authentication Services (PSA) and includes a certificate of authenticity from Denver Autographs.