1969 Topps
90 Jerry Koosman - 1969 Topps Baseball Cards (Star) Graded EXMT
1970 Topps #468 Jerry Koosman - All-Star Mets 4 - VG/EX B70T 09 4473
1969 Topps Super Jerry Koosman
Team and city celebrate 50th anniversary of 1969 Amazin' Mets – New York Daily News
1969 Topps Baseball Card Product Overview and Checklist
In appreciation of Jerry Koosman – Mets360
1969 TOPPS DECKLE EDGE JERRY KOOSMAN at 's Sports Collectibles Store
SCF - TTMM player address report
1975 Topps Set Card 140/660 – #19 – Jerry Koosman, Mets
Topps Jerry Koosman Baseball Trading Cards
1969 Topps Deckle Edge #25 Jerry Koosman - EX - THE COLLECTOR'S FRIEND