Qing Dynasty, Emperor Gao Zong Engraved Master Cash ND (1736-95) XF Details (Scratches, Engravers marks, Clay Residue), Suzhou, Jiangsu, design as Hartill-22.314?, 28mm, 10.53gm. Obv. Qian Long Tong Bao. Rev. Boo Su. Rare. From The Valley View Life Collection