The Players - Page 9 - Baseball History - MVP Mods
Nolan Ryan & Jerry Koosman Autographed 1968 Topps Rookie Reprint
1968 Topps Baseball - # 177 New York Mets Rookies - Jerry Koosman
Studious Metsimus: 2016
centerfield maz
Remembering Mets History (1968): Jerry Koosman Tosses Back to Back
Donruss and Panini – Page 2 – SABR's Baseball Cards Research Committee
1968 Topps #177 Mets Rookies Nolan Ryan / Jerry Koosman
1968 Topps Mets Rookies (Jerry Koosman/Nolan Ryan)
1968 Topps #177 Rookie Stars/Jerry Koosman RC/Nolan Ryan RC/UER
1968 Topps #177 Mets Rookies Nolan Ryan / Jerry Koosman
Remembering Mets History (1968): Jerry Koosman Tosses Back to Back