Caribbean guilder
The Netherlands Antillean guilder will continue to circulate and plans to implement the Caribbean guilder will not be finalized until the islands' Central Bank situation is resolved. The new currency will be abbreviated CMg (for Curacao, Sint Maarten guilder) and would be pegged to the United States dollar at the same exchange rate as the Netherlands Antillean guilder (1 USD = 1.79 NAg = 1.79 CMg). As the BES islands (Bonaire, Sint Eustatius and Saba) adopted the U.S. dollar directly on 1 January 2011, the introduction of the CMg would mean the end of the circulation of the Netherlands Antillean guilder.
Eastern Caribbean dollar
In 1949, the British government formalized the dollar system of accounts in British Guiana and the Eastern Caribbean territories by introducing the British West Indies dollar (BWI$) at the already existing conversion rate of $4.80 per pound sterling (or $1 = 4 shillings 2 pence). It was one of the many experimental political and economic ventures tested by the British government to form a uniform system within their British West Indies territories. The ISO 4217 code of the currency was "XBWD". The symbol "BWI$" for frequently used and the currency was known verbally as the "Beewee" (slang for British West Indies) dollar. Shortly thereafter in the 1950, the British Caribbean Currency Board (BCCB) was set up in Trinidad with the sole right to issue notes and coins of the new unified currency and given the mandate of keeping full foreign exchange cover to ensure convertibility at $4.80 per pound sterling. In 1951, the British Virgin Islands joined the arrangement, but this led to discontent because that territory was more naturally drawn to the currency of the neighbouring U.S. Virgin Islands. In 1961, the British Virgin Islands withdrew from the arrangement and adopted the U.S. dollar.