April 23, 1969: Jerry Koosman gets his first win in Mets' miracle season – Society for American Baseball Research
#51 Jerry Koosman. - FeaturingJerry Koosman. Raw Condition for Modern Cards. Unless otherwise noted, raw modern cards are listed in Near Mint-Mint
1994 Spectrum The Miracle of '69 New York Mets Jerry Koosman #51
Remembering Mets History (1969) World Series Game #5: Amazing Mets
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Jerry Koosman number retirement set for June 13 - Amazin' Avenue
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#P2 Jerry Koosman. - FeaturingJerry Koosman. Raw Condition for Modern Cards. Unless otherwise noted, raw modern cards are listed in Near Mint-Mint
1994 Spectrum The Miracle of '69 New York Mets Promos Jerry Koosman #P2
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NY Mets: Jerry Koosman had an all-time great World Series in 1969
Memories still fresh as Mets celebrate 1969 World Series title's
#P2 Jerry Koosman. - FeaturingJerry Koosman. Raw Condition for Modern Cards. Unless otherwise noted, raw modern cards are listed in Near Mint-Mint
1994 Spectrum The Miracle of '69 New York Mets Promos Jerry Koosman #P2
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Inside look at the highs and lows of Mets' miraculous 1969
Inside look at the highs and lows of Mets' miraculous 1969