Air Mail Cover, 1937, On His Majesty’s Service, Shimla to London, Dated 15 Sept 1937, tied with three Service Stamps of King George V of values 6 Annas & 9 Pies x 2 affixed, SERVICE overprinted on all 3 stamps, the total value of 7½ Annas with an Air Mail label, with postmark/cancellation of “ARMY HEADQUARTERS SIMLA”, cover sent by Air Mail to the Adviser on M.T. Services in India, India Office, Whitehall, London. Blue “BYAIR MAIL PAR AVION” etiquette affixed, sent by __oor (Floor) Supervisor, Q.M.G.’s (Quarter Master General) Branch of Shimla, very good condition.