Lot Detail - Perfect Game Pitchers Multi-Signed OAL Baseball with 18 Signatures Including Catfish Hunter, Sandy Koufax, Don Larsen, Randy Johnson and Roy Halladay (JSA)
Randy Johnson: 'Not a lot left for me to do' – The Mercury News
Perfect Game - Autographed Signed Baseball With Co-Signers
When was MLB's last perfect game? A look at the history of perfectos – NBC Sports Boston
Perfect Game Pitchers OML Baseball Signed & Inscribed By (16) with Roy Halladay, Sandy Koufax, Randy Johnson, Don Larsen (Beckett)
Perfect Game Pitchers Signed Baseball Sandy Koufax Randy Johnson PG 11 – CollectibleXchange
MLB Perfect Game Autographed & Inscribed Rawlings Official Baseball with 12 Signatures including Randy Johnson, Don Larsen & Sandy Koufax
Incredible Perfect Game Pitchers Signed Ball (11) Sandy Koufax Randy Johnson JSA - Autographed Baseballs : פריטי אספנות ואמנות
Perfect Game Pitchers Signed, Framed OML Baseball Collection (11) - 18 x 15 x 4.5 - Featuring Sandy Koufax, Don Larson, Randy Johnson – PSA/DNA on Goldin Auctions