Korea
Yi Hyong and Kuang Mu Certified 5 Fun Quartet, 1) Year 505 (1896) - MS63 Brown NGC, KM11072) "Small Characters" Year 2 (1898) - MS62 Brown NGC, KM11163) "Small Characters" Year 2 (1898) - AU58 Brown NGC, KM11164) "Medium Characters" Year 2 (1898) - MS61 Brown NGC, KM1116
Estimate: 300-400 USD