1970 Topps Baseball Sports Cards Values - GoCollect (1970-topps-baseball , page 9)
1970 Topps / 1969 World Series Game 5 - Jerry Koosman Shut…
Meet the (Champion) Mets: It Was All in the Cards - The New York Times
1979 Topps Baseball Set Checklist, Info, Key Cards, Rookies and More
Heroes of '69: Jerry Koosman Lived For The Big Games - Metsmerized Online
PSA Magazine: 2022 December #012 by PSA Magazine - Issuu
Al Weis #498; Ken Boswell #214; Don Cardwell #83; Ed Kranepool #557;.
1970 Topps New York Mets; McGraw #26, Koosman #610, Agee #10; Weis #498 + 6 More
Autograph has been certified authentic by Beckett Authentication (BAS). AUTO GRADE: GEM MINT 10.
JERRY KOOSMAN SIGNED 1970 TOPPS NEW YORK METS #610 BECKETT AUTO GRADE 10
1970 Topps #468 Jerry Koosman - All-Star Mets 4 - VG/EX B70T 09 4473
1970 Topps / 1969 World Series Game 5 - Jerry Koosman Shut…
Jerry Koosman: NY Mets legend on jersey retirement, World Series
1969 Citgo Portraits Set Captures Youthful Enthusiasm Of Miracle Mets