Stack's Bowers & Ponterio
April 2021 Hong Kong Auction 9-11 Apr 2021
View prices realized
Hartill makes mention of a mint being setup in the Yenyi district of Nanking in April 1732 to cast Boo an coins producing some 24,000 strings of cash a year. According to official records this is the only mention of Boo an coins. Eventually the mint closed in 1734.
Estimate: $50.00- $70.00