1974 Topps #356 Jerry Koosman VG New York Mets - Under the Radar Sports

1974 Topps #132 Felix Millan VG New York Mets - Under the Radar Sports

Description This is a 1968 Topps Rookie Reprint Card #177 that has been hand signed by Nolan Ryan & Jerry Koosman. The signature has been graded a Gem

Nolan Ryan & Jerry Koosman Autographed 1968 Topps Rookie Reprint Card #177 New York Mets Auto Grade Gem Mint 10 PSA/DNA Stock #203893

1970-1974 New York Mets Vintage Baseball Trading Cards - Baseball Cards by RCBaseballCards

New York Mets Signed 1969 World Series Champions 11x14 Photo with Tom Seaver, Jerry Koosman, Gary Gentry, & Nolan Ryan (JSA COA & Ryan Hologram)

Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)

1968 Topps #177 Mets Rookies Nolan Ryan / Jerry Koosman

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SOLD 85587 1976 Topps #64 Jerry Koosman VG New York Mets

Jerry Koosman Baseball 1969 Season Sports Trading Cards & Accessories for sale

1965 Topps #299 Jerry Zimmerman VG Minnesota Twins - Under the Radar Sports

1970 Topps World Series Game 5 (Jerry Koosman Shuts The Door!)

1975-1977 New York Mets Vintage Baseball Trading Cards - Baseball Cards by RCBaseballCards

1973 Topps #113 Jerry Grote VG New York Mets - Under the Radar Sports