Flight-flown limited edition commemorative cover, 6.5 x 4.25, with a cachet honoring the Biggin Hill Air Fair, signed on the front in ink and felt tip by Barkhorn, [Karl] Donitz, Albert Speer, Erich Hartmann, Adolf Galland and two others. In fine condition, with light haloing to Galland’s signature. R&R COA.
