No.
Yes, you can exchange old two peso and five peso bills at a bank or financial institution in your country. They may need to verify the authenticity of the bills before exchanging them, so it's best to check with the specific institution beforehand.
14 cents
The main differences between the old 20 peso bill and the new 20 peso bill are the design and security features. The old bill featured the image of Benito JuΓ‘rez, while the new bill features Miguel Hidalgo y Costilla. Additionally, the new bill includes updated security features to prevent counterfeiting.
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
Well, 100 (Mexican) peso bill would be worth... 100 Mexican pesos (which is the currency they use in Mexico!) assuming it was after 1993, if the bill was before 1993 it would be worth 1/10th of a Mexican peso (since the New Peso was introduced in 1993 which 1 new peso is equal to 1000 old pesos)
20000 Pesos is worth about $1,858 USD However, if you have a coin or bill of this denomination, it is probably in "old pesos". It takes 1000 old pesos to equal 1 new peso, so the actual exchange rate is $1.85. [Note - there are some 8 countries using currencies called pesos. This answer probably refers to the Mexican peso.]
To control inflation, during 1992-93 Mexico replaced its peso with a "nuevo peso" (new peso) at the rate of 1000-1. Thus your old bill is only worth 2 new pesos or about 20 cents.
Rampant inflation increased prices so much that the peso's value fell to a fraction of a U.S. cent. To help stabilize the economy and reduce the number of zeros in prices, Mexico introduced a nuevo peso (new peso) in 1993. Old pesos were exchanged at the rate of 1000 old pesos = 1 new peso, effectively lopping 3 zeros off all prices.Rampant inflation increased prices so much that the peso's value fell to a fraction of a U.S. cent. To help stabilize the economy and reduce the number of zeros in prices, Mexico introduced a nuevo peso (new peso) in 1993. Old pesos were exchanged at the rate of 1000 old pesos = 1 new peso, effectively lopping 3 zeros off all prices.
One peso, or 0.092694 dollars. The Mexican peso has been revalued since 1967 so it's difficult to say what the coin's purchasing power would be in current dollars. For example, in the 1980s the peso's value fell to a few thousandths of a U.S. dollar so existing coins and bills were withdrawn and replaced with "neuvo pesos" or new pesos at an exchange rate of 1000 old pesos to 1 nuevo peso. In any case a circulated peso from that time is not worth more than a small amount as a collector's item, perhaps less than a quarter.
You didn't say whether it was 20 centavos or 20 pesos. In any case, Mexico revalued its currency in 1992-93 at the rate of 1000 old pesos to 1 new peso. The current exchange rate is roughly 1 new peso = 10 U.S. cents, so one old peso is worth 1/100 of a U.S. cent.
You can't. Due to hyperinflation in Mexico the old peso (Pesos issued until 1993) was replaced by the "new" Peso at the rate of $1000 old pesos to the new. So your bill would be 50 new pesos. However, Mexican banks stopped redeeming old pesos for new in 1996 so your bill is just a collectors item and could be sold on eBay and the like, but can't be redeemed for Mexican Pesos.
You have what is known as an "old pesos" coin. In January 1993, the Mexican government introduced the new peso, worth 1,000 of the old pesos and divided into 100 centavos, to simplify foreign exchange. Current exchange rates are based on these "new pesos". Your old pesos coin has become essentially worthless for exchange. And there were far too many of them minted to be considered a collectors item. You'll find them in coin dealer miscellaneous foreign coin bins for 5/$1.00
Nothing. The peso had changed in Mexico, making all the older pesos worthless. There was a time period where you could exchange your old pesos for the new pesos, after that you were stuck with the old pesos.