Postage stamps and postal history of Costa Rica change in currency from "Reales" to the new Pesos and "Centavos", the issue of 1863 was surcharged with new values for postal use: 1 Centavos, 2 Centavos, 5 Centavos (all over the Medio Real stamp), 10 Centavos (over Dos Reales) and 20 Centavos (over Cuatro Reales). The 5, 10 and 20 Centavos were also surcharged "U.P.U." Costa Rican stamps were issued overprinted "Guanacaste" in 1885-89 following war with Nicaragua over the sovereignty of Guanacaste. The first issue in the new "Colón" currency was dated 1900 and put into circulation in 1901. It consists of ten stamps with values ranging from
Currency of Ecuador The color of the 1-sucre note was changed in 1897, copper-nickel, dated 1884–1886 silver 900 fine dated 1884–1916 Sucre (S/.) = 10 Décimos = 100 Centavos The gold standard was adopted November 3, 1898, the gold coin to be called the "cóndor ecuatoriano", 8.136 g, 900 fine, with a value of 10 sucres. This made the sucre equal to 732.22382 mg fine gold or 2 shillings sterling. Gold par was 10 sucres per pound sterling, 2.055 per US$1, and 2.522 francs per sucre. Silver pieces were the peseta (2 décimos), the real or décimo (10 centavos), and the medio (5