1987 Topps Baseball Cards Unopened Vending Box (500 Cards)Topps Vending boxes are 500 cards in a box. Topps released these boxes to Vendors only to put together sets. Boxes are not sealed and cards are not in wrappers as these boxes were never intended for sale to the public.Features of 1987 Topps Baseball Cards Unopened Vending Box (500 Cards) 198..