Jerry Koosman Autographed 1990 Pacific Card #88 (PSA)

Signed in sharpie across the front of the card. Autograph is authenticated and slabbed by PSA.

Hunt Auctions, LLC

1990 pacific legends Values - MAVIN

Jerry Koosman autographed baseball card (New York Mets ) 1976 Topps #64

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Ray Knight Signed Card Sports Impressions Ceramic LE 1986 Mets Autograph JSA

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Jerry Koosman MLB Memorabilia, Jerry Koosman Collectibles, Verified Signed Jerry Koosman Photos

Signed in sharpie across the front of the card. Autograph is authenticated and slabbed by PSA.

Jerry Koosman Autographed 1990 Pacific Card #88 (PSA)

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Jerry Koosman Signed 1971 Topps #335 New York Mets Card Beckett Authenticated