Peru, República del Perú, 20 Soles, 30.06.1879. Serial # C18860420 Soles note, printed date 30.06.1879Issued by República del PerúPrinted by American Bank Note CompanyBlack on brown underprint; allegorical woman at centerBack: BlueMinor rust stains. Pick 6 (Standard Catalog of World Paper Money: General Issues by Cuhaj); www.banknote.ws. Very Good.