Un Peso, Mexico, American Bank Note Company

[Jsands]

Hello and thanks in advance. I am curious why this note does not have a a date on it if anyone knows why or the year of the note it would also be appreciated. Kind regards!

[theplaceintexas]

The early one pesos notes were issued without a date. They were series A - F. The first one peso note was issued for circulation in 1936. These early notes have become difficult to find in higher grades. An uncirculated one is seldom seen for sale.

The first one peso note with a date was issued in 1943, as a Series G issue.