Postage stamps and postal history of Biafra from the 1965 issue were issued overprinted with the Biafran coat of arms and the words SOVEREIGN BIAFRA. The 1/2d and 1d values from the same 1965 Nigeria series also exist surcharged with new values and overprinted BIAFRA-FRANCE FRIENDSHIP 1968 SOVEREIGN BIAFRA</small> but these stamps are not believed to have been used for postage. A number of further stamps were issued in 1968 and 1969 inscribed BIAFRA or REPUBLIC OF BIAFRA, including miniature sheets, further overprints and stamps ostensibly issued to raise funds for charity. Postage stamps and postal history of Biafra This is a survey of the postage stamps
Bight of Biafra trade emanating from the Bight of Biafra. Between 1525 and 1859, Britain dominated the slave trade from the Bight of Biafra accounting for over two-thirds of slaves exported to the New World. However, in 1807, Great Britain made illegal the international trade in slaves, and the Royal Navy was deployed to forcibly prevent slavers from the United States, France, Spain, Portugal, Holland, West Africa and Arabia from plying their trade. Earlier, in 1777, Portugal transferred control of Fernando Poo and Annobon to Spanish suzerainty thus introducing Spain into the early colonial history of the Bight of Biafra. On 30 June