Jerry Koosman Autographed Jersey - Mets History
New York Mets Memorabilia, Autographed & Signed Mets Collectibles
Jerry Koosman Autographed Jersey - Mets History
Jerry Koosman MLB Memorabilia, Jerry Koosman Collectibles, Verified Signed Jerry Koosman Photos
New York Mets 1969 Pitchers 8x10 Framed Baseball Photo with Engraved Autographs - Tom Seaver, Jerry Koosman, Gary Gentry, & Nolan Ryan at 's Sports Collectibles Store
1969 New York Mets team autographed baseball bat
New York Mets 1969 Pitchers 8x10 Framed Photo with Engraved Autographs - Seaver Koosman Gentry Ryan
ORIGINAL 1994 SPECTRUM SERIES. Autograph has been certified authentic by Beckett Authentication (BAS).
JERRY KOOSMAN SIGNED 1969 NEW YORK METS 1994 SPECTRUM #4 BECKETT
Jerry Koosman Baseball Stats by Baseball Almanac
Best Mets players by uniform number
Glendon Rusch Signed 9/11 Memorial Jersey - Mets History