Zanzibar - postal stationery: 1913, 12 c violett postal stationery registered en
Zanzibar - postal stationery
1913, 12 c violett postal stationery registered envelope with additional Sultan Ali four colour franking 2x1 c grey, 25 c brown, 50 c green and 15 c ultramarin by squared circle "ZANZIBAR JA 25 14", with registration mark on front and "ULM (DONAU) BAHNHOF 17 FEB 14" arrival on reverse...