IRAN, PERSIA: 2 consecutive 10 Rials Blue banknotes, Issued SH 1340 (1961), First issue of Central Bank aka Bank Markazi, Pick-71, Muhammad Reza shah Pahlavi (1941-1979), Karaj Dam on Reverse, Signature Shoaii-Kashani, Better variety as per Dark or Black serial number, Crisp Gem Unc. Pair! Printed by British Company Harrison & Sons.