The Vintage Kevin Mitchell "Master Blaster" Seattle Mariners 4X6 PROMO POSTER CARD is a rare and sought-after sports trading card featuring the baseball player Kevin Mitchell. Manufactured by Costacos, this promo card showcases a unique design and is a collectible piece for fans of the Seattle Mariners, Major League Baseball, and trading cards in general. A must-have for any baseball card collector, this card is a piece of memorabilia from the player's time with the team and is a valuable addition to any sports trading card collection.