Revenue stamps of Zanzibar 300/- and US$5 were issued. The Airport Charge 800/- (and possibly the other value) also exist with a handstamped surcharge 1000/-. 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
Zanzibar ancestral land for which they probably do not have a legal deed. In 1984, fewer than 20,000 tourists visited Zanzibar. Five times more visitors travelled to the island in 2000. The events of September 11, 2001 reduced the inflow of tourists, which was restored only after 2004. Zanzibar has at least 6,200 beds across 6 classes of accommodation. However, there is a disproportionately large number in ungraded, one and two star categories. The energy sector in Zanzibar consists of unreliable electric power, petroleum and petroleum products; it is also supplemented by firewood and its related products. Coal and gas are