The 1977 Topps Big League Brothers #631 George & Ken Brett Royals & White Sox HoF trading card is an original vintage collectible featuring the legendary baseball players George and Ken Brett. This card is part of the 1977 Topps set and is a part of the insert set "Big League Brothers." The card is made of card stock and showcases the Brett Brothers in their Major League Baseball careers with the Chicago White Sox and Kansas City Royals. This English language sports trading card is a must-have for collectors of baseball memorabilia.