1) Currency of Iran 
The rial (in Persian: ریال; ISO 4217 code IRR) is the currency of Iran and, as of 2014, remains the world`s least valued currency unit. The name derives from the Portuguese real (meaning royal in Portugal), which was for several centuries the currency in Portugal (derived from Latin regalis [regal]). Although the `toman` is no longer an off......
[n] - the basic unit of money in Iran