China
Qing Dynasty, Emperor Wen Zong Engraved Master Cash ND (1851-61) XF Details (Scratches and Engraver's marks, Clay Residue), prototype of the Iron Mint, design as Hartill-734, 22.4mm, 6.19gm. Obv. Xian Feng Tong Bao. Rev. Boo Chiowan. Very rare.From The Valley View Life Collection
Estimate: 2000-2500 USD