I think it would be great to shift the focus of this thread toward numismatics.
Thread hijack!
Brief History of the
Mexican Bank Note
Due to the huge mining wealth of the New Spain Viceroyalty, during the three hundred years of colonial rule in Mexico, currency consisted only of gold, silver and, in a smaller quantity, copper coins. Paper money did not appear until the 19th century in Mexico, after the independence was reached....snip
http://mgossart.free.fr/english/brief_history.htm