It is worth 74 cents.
A 1971 cinco pesos Estados Unidos Mexicanos coin is worth its face value in Mexico, which is five Mexican pesos. However, if the coin is in mint condition or has numismatic value, it could be worth more to collectors.
It is worth US$25-30
A .20 estados unidos mexicano coin is worth about, well, nothing. If you have five of them, you could buy a piece of gum.
50cents
How much is a 1988 madero 500 worth
answer
estados unidos mexicano's
10cents
It is a gold coin named Centenario, worth USD$1,244.
Please post a new question with the coin's denomination.
The gold coin you are talking about is a "Centenario" and it is worth about $1,200 dollars (or 785 Euros).
It's a common circulation coin worth about 20 cents.