This bill is a Cambodian banknote - a 500 riel bill issued by Cambodia in 2002. On the front of the bill is Angkor Wat in Cambodia, and on the back is the Cambodian-Japanese Friendship Bridge in Cambodia. Cambodian currency is not freely convertible in China, so Cambodian banknotes cannot be exchanged in domestic banks. Cambodian riel and yuan no exchange rate, through the Cambodian riel and the dollar exchange rate to convert, 500 Cambodian riel equivalent to 0.7 yuan yuan. But there is a collection value, brand new quality in the coin market price of about 4 yuan.