The product is a 1975 Topps Mini #334 baseball trading card featuring Greg Gross of the Houston Astros. This vintage card is part of the original set manufactured by Topps in 1975, made of card stock and authenticated by Topps. The card is a standard size, featuring a rookie cup design, and is a part of the Major League Baseball (MLB) league. This collectible item is a sought-after piece for baseball card enthusiasts looking to add a unique and valuable piece to their collection.