A lot of six Iranian copper-nickel 20 rials coins from 1978, 50th Anniversary of Bank Melli. The obverse features a profile of Pahlavi II with the lettering translated as: King Aryamehr Command, Establishment of Bank Melli Iran was one of the actual basis of Irans independence, Fiftieth Anniversary of the National Bank of Iran- September 1978. The reverse features a profile of Pahlavi I with the lettering translated as: Command of His Majesty Reza Shah the Great, Establishment of Bank Melli Iran has been one of the longstanding ambitions of my nation, 20 Rials. Vintage World Coins And Numismatic Collectibles.