Belgian Congo. (Occupation Of German East Africa). 1917. Registered picture post card of 'Dar-es-Salaam' addressed to London bearing German East Africa Occupation Yvert 29, 10c black and rose and Yvert 30, 15c turquoise and black tied by Tabora double ring 'Feb 12' with 'Postes Militaire' label, endorsed 'via Capetown' with London arrival '23rd April' on face. Nice item of mail paying the registered post card rate.