Iranian toman
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The toman (تومان in Persian, pronounced [tomæn], derived from a Turkic word meaning ten thousand [citation needed]) was the currency of Iran until 1932. It was divided into 10,000 dinars. Between 1798 and 1825, the toman was also subdivided into 8 rials, each of 1250 dinars. In 1825, the kran was introduced, worth 1000 dinars or one tenth of a toman.
In 1932, the rial replaced the toman at a rate of 1 toman = 10 rials (i.e., 1 rial = 1 kran). Although the rial is the official currency of Iran, many Iranians employ the term toman in everyday transactions for an amount of 10 rials.
In unofficial circumstances, a toman may also refer to either 1,000 tomans or 1,000,000 tomans. The order of the magnitude of the amount would be considered to be apparent from the context.