12.00
It is worth some 2,105 dollars (Aug 2011).
You haven't given enough information to fully identify the coin, but the words "quinto centenario" mean "quincentenary" (or "500th anniversary") in Spanish, so it is presumably a coin issued by a Spanish-speaking country in commemoration of the 500th anniversary of some historical event.
$10
As of 7/25/2010 one centenario costs 18,800 Mexican pesos at Banamex.
about 1/20 the Centenario gold coin 835 Mexican pesos = 62.5 USD as of Sept 10, 2009
Estadio Centenario was created in 1930.
Villa Centenario's population is 49,737.
El Centenario's population is 4,696.
El Centenario was created in 1965.
Buy $1,066.00 ; Sell $1,140.00 DLLS Rate= 13.5 Peso Mexicano
Terry Centenario from the family surname, which is Terry.