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
Euro gold and silver commemorative coins (Spain) the other in Burgos. Silver 2000-peseta coins have been minted every year since 1994. Each year a €12 silver coin is released to continue this tradition in the new currency. The first of such was in 2002 celebrating Spain’s presidency of the E.U. Each of the participating countries issues a sister coin dedicated to a particular theme. Each coin also depicts the coat of arms of the other countries. The participants are Argentina, Cuba, Ecuador, Guatemala, Mexico, Nicaragua, Paraguay, Peru & Portugal. In 2003 the 5th series was released the theme was "Sailing", this was later followed by the 6th