Pyongyang, December 16 (KCNA) -- "Sangphyong Coin" is metallic currency used by Ri Dynasty from 1633 to the early 20th century.

Sangphyong is the name of a central government body.

A coin is one mun or phun, ten coins are one don or jon and 100 coins are one ryang.

"Sangpyong Coin" brought about a great change in the socio-economic life of the people and in the development of the currency system in the country.