The qiran (Persian: قران; also Romanized qerun or kran) was a currency of Iran between 1825 and 1932. It was subdivided into 20 shahi or 1000 dinar and was worth one tenth of a toman. The rial replaced the kran at par in 1932, although it was divided into one hundred (new) dinars. The qiran is no longer an official denomination but the term still enjoys wide usage among Iranians.
From 1874 to 1895, the value of qiran depreciated by half, from 1 qiran equal to 9.6 pence (d) to 4.8 d, which then kept that value for the next few years. In 1930, the exchange rate with the British pound was pegged at 1 pound = 59.75 qiran.
Until 1876, silver coins were minted in denominations of ⅛, ¼, ½ and 1 qiran. A milled coinage was introduced in 1876, with denominations of 12, 25, 50, 100 and 200 dinar, ¼, ½, 1, 2 and 5 qiran. Gold coins and banknotes were denominated in toman.
- Britannica 
Reason: removed from Iranian currency by The King
Ratio: 10 qiran = 1 toman
|Currency of Iran
1825 – 1932
Reason: modern economy
Ratio: at par