49 coins
Argentina
Peso moneda nacional (1881-1969)
Peso ley (1970-1983)
Argentine peso (1983-1985)
Austral (1985-1991)
Peso convertible (1992-date)
Brazil
Real (1994-date)
Spain
Euro (2002-date)
United States
Dollar (1785-date)
Uruguay
Peso uruguayo (1993-date)