China
Qing Dynasty, Emperor Xuan Zong Engraved Master Cash ND (1821-50) XF Details (Light Scratches, Engraver's Marks), Board of Revenue, design as Hartill-22.582, Jen-1602, 28mm, 7.74gm. Obv. Dao Guang Tong Bao. Rev. Boo Chiowan. Very Rare.From The Valley View Life Collection
Estimate: 2000-2500 USD