1 Mun Samhan

Issued under the Goryeo dynasty during the reign of Sukjong, these coins were part of a deliberate state effort to establish a metal currency economy in a peninsula that had long resisted coined money in favor of grain and cloth as exchange media. The attempt largely failed — rural populations continued ignoring bronze coinage for generations, and the government's repeated legislative efforts to compel its use went unenforced.

Hartill 25.69 places this among the earlier Goryeo cast types, distinguished by specific calligraphic details in the inscription that allow attribution to this narrow production window.