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 value 10 and 20 euro respectively. Slovenia joined the Eurozone on January 1, 2007. Although they did not mint any collectors' coin in 2007, in such a short time they already built a small collection, with face values ranging from €3 to €100. Is right here, in the face value, where the uniqueness of the Slovenian coins can be found. They have so far €3, €30 and €100 coins; using other materials, silver and gold for each of those coins. Since the coins are fairly new, they can be easily obtained in the market at a lower value compared to