What is the value of a 1987 20000 pesos el banco de Mexico?

As of my knowledge cutoff in September 2021, the value of a 1987 20000 pesos el banco de Mexico banknote is approximately $1.10 USD or 21.60 MXN. However, it's important to note that the value of banknotes can fluctuate over time due to various factors such as inflation, economic conditions, and collector demand.

To determine the current value of your 1987 20000 pesos el banco de Mexico banknote, it is best to consult a reputable coin and banknote dealer or refer to up-to-date online numismatic resources that specialize in Mexican currency.