In 1836, the guilder was fixed at a value of 16 British pence. In 1839, the British pound replaced the guilder in circulation. Because of the guilder's value, 2 and 4 pence coins were minted especially for British Guiana. A variety of coins considered to be lower-value, including an Irish 2p piece and many US pennies. ... For details of notes and coins, see British coinage and British banknotes. ...