The Iranian toman is a superunit of the official currency of Iran, the rial. One toman is equivalent to ten rials. Although the rial is the official currency, Iranians use the toman in everyday life.
This picture shows a ten-toman gold coin dated AH 1314 (c. 1896), depicting Mozaffar ad-Din, shah of the Qajar dynasty, on the obverse.Coin credit: Tehran Mint; photographed by the National Numismatic Collection