Commemorative postal cover with a color silk cachet honoring Yankee Stadium, 6.5 x 3.5, signed in various inks by Yogi Berra, Don Larsen, Johnny Mize, Tom Heinrich, Gil McDougald, Ed Lopat, Allie Reynolds, Jim “Catfish” Hunter, Frank Crosetti, Moose Skowran, Gene Woodling, Hank Bauer, and Enos Slaughter. In very fine condition. Auction LOA Steve Grad/PSA/DNA and R&R COA.