The product is a 1979 Topps #557 trading card featuring Ken Brett, a baseball player for the Los Angeles Angels. This card is from the Major League Baseball set released by Topps that year and is classified as a base set card. It is a valuable collectible item for fans of sports trading cards, especially those interested in vintage baseball cards from the 1970s. Ken Brett played in the MLB during the 1979 season, making this card a sought-after piece for collectors looking to add to their sports memorabilia collection.