The product is a vintage 1963 Topps trading card featuring National League ERA Leaders including players such as Sandy Koufax, Bob Gibson, and Don Drysdale. This original card is made of card stock with a thickness of 20 pt. and is part of the base set from Topps. The card showcases various players from teams like the Milwaukee Braves, Cincinnati Reds, Los Angeles Dodgers, and St. Louis Cardinals, offering collectors a piece of baseball history from the 1963 season.