British pilot (1910-1982) who lost both his legs in 1931 but continued to fly in WWII with the use of artificial limbs. Commemorative cover with a cachet honoring the 75th anniversary of Winston Churchill’s heroism in the Boer War, signed in black ballpoint by Bader. Double matted with a photo of Bader in front of his plane, to an overall size of 11 x 14.In fine condition. RRAuction COA.