Un Byong 上市 Deposited
A word meaning " silver pot " in the Korean language, and given to a coin on account of the resemblance it bore to that article. This silver coin had a definite weight, and was introduced in the sixth year of King Shukchong, i.e.. A.D. 1101.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)