Rare Uruguay 1 Peso 1917 World Silver Coin Circulated Artigas Bolo. Coin Measures: 1 3/8 in Diameter. 1 Peso Gaucho Jose Gervasio Artigas. José Gervasio Artigas Arnal. June 19, 1764 – September 23, 1850 was a soldier and statesman who is regarded as a national hero in. And the father of Uruguayan nationhood.