The 1991 Leaf Baseball Cards #'s 401-528 are a set of vintage baseball trading cards featuring players from Major League Baseball (MLB). Manufactured by Leaf in 1991, these original cards are part of the base set and are in near mint or better condition. The cards are not autographed and are from the MLB World Series, making them collectible items for sports enthusiasts and fans of baseball memorabilia. With free shipping included, these standard-sized cards offer a unique piece of baseball history for collectors to enjoy.