Gary Gentry & Jerry Koosman Signed New York Mets 8x10 Photo (MAB Hologram)

Tom Seaver Baseball - Australia

Prints, Vintage Sports Memorabilia, Sports Mem, Cards & Fan Shop - PicClick

Tom Seaver Baseball - Australia

Welcome to Huggins and Scott - Huggins & Scott

Sell Your 1962 New York Mets Autograph at Nate D. Sanders Auction

Lot Detail - Nolan Ryan, Jerry Koosman, Tom Seaver, & Gentry Signed Framed 11x14 New York Mets Photo

Gary Gentry: 1969 World Champion Mets Pitcher (1969-1972)

Sell Your 1962 New York Mets Autograph at Nate D. Sanders Auction

Gary Gentry – Society for American Baseball Research

Did a Seder Plate Propel the New York Mets to the 1969 World Series? - Tablet Magazine

New York Mets Memorabilia, Autographed & Signed Mets Collectibles

1969 New York Mets 16x20 Photo Signed by (4) with Nolan Ryan, Gary Gentry, Jerry Koosman & Tom Seaver (MAB Hologram, Ryan Hologram, & MLB Hologram)

New York Mets 1969 Pitchers 8x10 Framed Photo with Engraved Autographs - Tom Seaver, Jerry Koosman, Gary Gentry, & Nolan Ryan, Officially licensed

New York Mets 1969 Pitchers 8x10 Framed Photo with Engraved Autographs - Seaver Koosman Gentry Ryan