The Vintage Mark Grace Costacos Brothers Poster “Graceland” Promo Poster Card 4 X 6 is a rare and collectible sports trading card featuring Major League Baseball player Mark Grace. Manufactured by Costacos, this promotional item showcases Grace as a member of the Chicago Cubs. This unique piece is a must-have for fans and collectors of sports memorabilia, offering a nostalgic glimpse into the MLB's past and the iconic Graceland baseball card.