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 (France) that 5-euro and 15-euro coins will be available in silver while the 100-euro coin will be in gold. Interesting enough, a further limited set of gold and silver coins will be issued by 2010, with the highest value a gold 500-euro coin was also recently announce by the French Mint. Euro gold and silver commemorative coins (France) France has a rich selection of Gold and Silver commemorative coins. These coins are minted by Monnaie de Paris, which is a state owned industrial and commercial company. Monnaie de Paris has a distinctive different mark (the horn of plenty) guaranteeing "Monnaie de