sentences:  It was revalued at a rate of one hundred to one in February 1959 and new won were issued.In the following years the won faced some devaluation, caused by the subsequent devaluation and redenomination of the Soviet ruble.From 1978 to 2001, the North Korean government maintained an iconic rate of 2.16 won to the US dollar; since then banks in the country exchange at rates closer to the black market rate.