private banknotes were introduced in the late 19th century by the british guiana bank and the colonial bank. both issued 5, 20 and 100 dollars. the british guiana bank issued notes until 1907, with the colonial bank issuing notes until 1917. the colonial bank was taken over by barclays bank, which issued notes in denominates of 5, 10, 20 and 100 dollars between 1926 and 1941.