This silver (.999) coin from Costa Rica features a commemorative design ((Attempt At Central American Unification) and has a denomination of 10 colones. Minted in 1970, it has become a rare find for collectors. The coin is made from high-quality silver and has a big size, making it a great addition to any collection. The KM number for this coin is KM192 and it is uncertified. It was produced in Costa Rica, a country in North & Central America