The closest note to that date is the 1973 issue, which is worth $4 in perfect uncirculated condition.
800
50
Your 5000 peso bill is worth only .50 cents. Mexico re-valued their currency in 1994. All bills prior to then are no longer in circulation. the 5000 old peso bill is now comparable to the 50 new peso note.-Joshh
The current issue Banco de Mexico notes are issued in 20, 50, 100, 200, 500 and 1000 Peso. Notes of any higher value pre-date devaluation in 1992.
Its is woth .25748. Grams in gold
You didn't say what the 50 stands for - pesos (using a $ sign, like a U.S. dollar) or centavos. Either way, its value is very low. Mexico's currency was affected by severe inflation during the 1980s and the value of the peso fell to about 1/100 of a U.S. cent. The current peso is a so-called "new peso" worth 1000 old ones. That means your coin is worth 0.05 new pesos, and at current exchange rates one new peso is about a dime.
50 cents.
$50
It is called "Centenario", and it has 37.59 grams (1.3259 oz) of pure gold. The standard selling value is of US$ 2024.58 (Jan 2012).
It's worth 50 cents.
They are 50 cents, spend them.
.50