Korea
Kuang Mu and Yung Hi Certified Minor Quintet, 1) Chon Year 11 (1907) - AU55 Brown NGC, KM11322) Chon Year 11 (1907) - XF45 Brown NGC, KM11323) 1/2 Chon Year 4 (1910) - AU58 Brown NGC, KM11364) Chon Year 3 (1909) - AU58 Brown NGC, KM11375) Chon Year 4 (1910) MS61 Brown NGC, KM1137The 1/2 chon is a better date.
Estimate: 600-800 USD