At present, we find four different models of banknotes of peruvian soles: 10, 20, 50 and 100 soles. Its design was changed in 2011 to make it easier to identify a counterfeit specimen. You have all the information in: «The Peruvian sol: history and value of the currency of Peru«.
You have all the information in: "The Peruvian sol: history and value of the currency of Peru".