The product is a 1990-91 NBA Hoops Collect-A-Books trading card featuring Chris Mullin of the Golden State Warriors. The card is a single-insert from the original 1990-91 NBA Hoops Collect-A-Books set by NBA Properties. This basketball trading card is a standard size card in English language, featuring an insert design specific to the Collect A Books variety. It is a vintage piece from the United States, representing the National Basketball Association (NBA) and the 1990-91 season.