FDC, 6.5 x 3.5, with a cachet honoring The 50th anniversary of the Air Force, signed in black ink “Best always, Clark Gable.” Matted with a photo to an overall size of 12.25 x 19. Gable joined the Air Force in World War II and eventually attained the rank of major. Vertical fold (touching “Best”), a very subtle hint of soiling and wrinkling, and tiny brush to last name, otherwise fine condition. PSA/DNA Auction LOA and R&R COA.