Peru, Iquitos Revolution - Guillermo Cervantes, 1 Libra, 01.10.1921. Serial # 15321 Libra Peruana de Oro note, Printed date of 01.10.1921Issued by Guillermo Cervantes during the Iquitos RevolutionPrinted by E. T. El OrienteBlack on red underprint; angel with wreath and branch at leftBack: Red; arms at centerHoles; edge splits and minor damage. Pick S606a (Standard Catalog of World Paper Money: Specialized Issues by Cuhaj); www.banknote.ws. Very Good.