Jerry Koosman Autographed Jersey - Mets History

Glendon Rusch Signed 9/11 Memorial Jersey - Mets History

Memorabilia Ultimate Team Set

Mets to Retire Jerry Koosman's Jersey - The New York Times

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The 1969 New York Mets - Helmet Signed With Co-Signers

Remembering Mets History (1968) Jerry Koosman Sets NL Record With Seven Shut outs

Mets announce Jerry Koosman number retirement date –

Mets set to pay tribute to Jerry Koosman - Newsday

Jerry Koosman Autographed Jersey - Mets History

Lot Detail - 1969 World Champion New York Mets Team-Signed Ball with (29) Signatures LOA JSA with World Series Program and Ticket Stub

Mets COTW: 1979 Topps Jerry Koosman – Mets360

Jerry Koosman Autographed Jersey - Mets History

Keith Hernandez still in awe ahead of Mets jersey retirement

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