1932 (23 Dec) Northern Rhodesia, 4p Registered Postal legal size stationery envelope with additional 1sh franking, sent from Lusaka to Latvia, carried on "City of Karachi" which made an emergency landing 21 miles west of Dodoma on December 30th, the
mail and passengers transferred to Dodoma by rail and then flown on "City of Baghdad" to Riga, numerous transits and endorsements on back, with photocopy of newspaper article describing this interrupted flight (Image)