Jerry Koosman New York Mets Custom Baseball Card 1967 Style Card That Could Have Been by MaxCards Mint Condition 2020

24 year old rookie Jerry Koosman debuted with the New York Mets in 1967. Koosman pitched in 9 games, including 3 starts, going 0-2 with a 6.04 ERA but

Jerry Koosman Baseball Cards

Mets Nolan Ryan

Jerry Koosman Baseball 1969 Season Sports Trading Cards