1984 World Series Game 4 Gateway cachet envelope autographed in blue ballpoint pen by Detroit Tigers Hall of Famer Alan Trammell, who was named World Series MVP after their clinching win in Game 5. From a paid signing with Gateway, with certificate of authenticity from AutographsForSale.com. NOTE: the envelope flap on the back appears to have been glued and removed to something, leaving surface tears. ONLY ONE AVAILABLE FOR SALE.