Revenue stamps of Zanzibar Revenue stamps of Zanzibar Zanzibar issued revenue stamps from when it was a British protectorate in 1892, to after when it became part of Tanzania in 1993. Zanzibar's first revenues were Indian revenue or special adhesive stamps overprinted ZANZIBAR in capitals, and these were issued between May 1892 and August 1894. Various provisional overprints, some manuscript and some printed, were produced at around 1904, and most of these are rare. In 1905, postage stamps portraying Sultan Seyyid Hamoud bin Mahommed bin Said were overprinted "Revenue", and sometime later, 1 rupee surcharges appeared on this issue. Between 1907 and 1908 various
Sultanate of Zanzibar be sovereign over that territory. The remaining ten-mile wide coastal strip (with the exception of Witu) remained a Protectorate under an agreement with the Sultan of Zanzibar. That coastal strip, remaining under the sovereignty of the Sultan of Zanzibar, was constituted as the Protectorate of Kenya in 1920. The Protectorate of Kenya was governed as part of the Colony of Kenya by virtue of an agreement between the United Kingdom and the Sultan dated 14 December 1895. In summary, the "Colony of Kenya" referred to the interior lands. The "Protectorate of Kenya" was a ten-mile coastal strip together with certain