The product is a 2015 Panini Diamond Kings trading card featuring Billy Butler from the Oakland Athletics. This specific card is a rare Black Signatures parallel /1, making it a highly sought-after collectible item. With a print run of only 1, this one-of-a-kind card is serial numbered and part of the base set for the 2015 season. It is a valuable addition to any baseball card collection, especially for fans of the MLB and trading card enthusiasts.