The Dominican Republic 1 peso Oro note features Juan Pablo Duarte e Diez on its obverse, with a sugar mill at Rio Haina and the number 1 in all four corners on its reverse. Duarte e Diez was a founding father of the Dominican Republic and is celebrated as a national hero. Rio Haina is a notable industrial city in the Dominican Republic with a long history of sugarcane production, making the sugar mill a fitting symbol for the country's economy. The coin is made of copper-nickel and is widely circulated in the Dominican Republic.

Issuer	Dominican Republic
Period	Fourth Republic (1966-date)
Type	Standard banknote
Years	1978-1982
Value	1 Peso 1 DOP = USD 0.018
Currency	Peso oro (1937-date)
Composition	Paper
Size	156 × 67 mm
Shape	Rectangular