Guyana #21f 1 Dollar (1989) - RM6.00

Kaieteur Falls is a high-volume waterfall on the Potaro River in central Guyana, Potaro-Siparuni region. Likely one of the most powerful waterfalls in the world and about five times higher than the more well known Niagara Falls. Wikipedia

Brief profile

UN member state || Location: South America bordered by Suriname, Venezuela, Brazil || Capital: Georgetown || Official Languages: English || Area: 214,970 || Population: 751,000 || GDP per capita $4,612 || Currency: Guyana Dollar (GYD)