KOREA: Yi Kwang, 1801-1835, AE mun (3.81g), ND [1830], KM-765.8s, Mandel-31.1.8, Government Office Pukhan Mountain Fortress, kyong at top, series 8, mojeon 'seed' or mother coin, EF, RR, ex Wéiduolìya Collection, ex Daniel Ching.
Estimate: 100-150 USD