The product is a signed postcard featuring Buck O'Neil from the 1991 Negro League Legends Series 1 set, with a limited print run of 154 out of 10,000. The postcard is an original vintage piece manufactured by RD Retort Enterprises in the United States. It is a special sepia parallel variety card that is part of the base set and is serial numbered, making it a unique collectible item for fans of Negro League Baseball and the Kansas City Monarchs.