Stack's Bowers & Ponterio
August 2019 Hong Kong Auction 19-21 Aug 2019
View prices realized
1) Silver 10 Yuan. KM-127. NGC PROOF-69* Ultra Cameo.
2) Copper-Nickel Yuan. KM-110. NGC PROOF-68 Ultra Cameo.
From the Christopher Greene (馬祈) Collection.
Estimate: $1000.00- $1500.00