1969 Topps Jerry Koosman

1969: The Mets' Magical, Mystical Year - The New York Times

1969 Milton Bradley Win-A-Card Game - 1968 Topps Baseball #177

Cody's Favorite vintage set: 1970 Topps? '70??

1969 Topps Baseball Cards - Baseball Card AdviserBaseball Card Adviser

1968 Rookie Stars Nolan Ryan, Jerry Koosman Topps #177 - CV Coins

Lot Detail - 1968 Topps Mets Rookies #177 Jerry Koosman/Nolan Ryan

Jerry Koosman interview

Mavin Jerry Koosman 1969 Topps Deckle Edge FGS 9

1969 Topps Baseball Card Product Overview and Checklist

1969 Topps # 434 All-Star Jerry Koosman New York Mets

Jerry Koosman in . . . The Franchise All-Time All-Stars

The 5 Most Expensive Baseball Cards That You Can Purchase Right Now

AUTOGRAPHED: 1972 Topps #698 Jerry Koosman In-Action SCARCE HIGH

1968 Topps #177 Nolan Ryan Rookie Card - PSA NM+ 7.5 on Goldin

MORE