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
Pokémon Gold and Silver Pokémon Gold and Silver Pokémon Gold Version and Silver Version are role-playing video games developed by Game Freak and published by Nintendo for the Game Boy Color. They are the first installments in the second generation of the "Pokémon" series. They were released in Japan in 1999, Australia and North America in 2000, and Europe in 2001. "Pokémon Crystal", a special edition, was released roughly a year later in each region. In 2009, Game Freak remade "Gold" and "Silver" for the Nintendo DS as "Pokémon HeartGold" and "SoulSilver". The games introduce 100 new species of Pokémon, and follow the progress