The Guyanese dollar was first seen in 1839 and has undergone many changes. It first appeared in its present form in 1966. The modern banknotes are issued in denominations of 1, 5, 10, 20, 100, 500 and 1000 dollars. Coins are now issued in denominations of 5, 10, 25 and 50 cents and 1, 5 and 10 dollars.