Guyana 20 Dollars AUNC @ Coins and Stamps (2)admin2023-09-04T17:45:42+05:30 Guyana 20 Dollars AUNC The Guyana Currency comes under South American Currencies. Which also comes under the World Currencies Category. Country: Guyana Denomination: 20 Dollars Year: 1996-2018 Size: 153 x 64