OTSU, Shiga Pref. (Kyodo) An 80-year-old man has sued a foreign currency agent who he says tricked him into purchasing Iraqi currency as an investment, knowing it would be extremely difficult to change into yen, his lawyer said Tuesday.

The National Consumer Affairs Center of Japan said the dinar is difficult to convert to yen because few banks in Japan handle it, and it has received 137 complaints from consumers since last August concerning sales of the currency.