China. Empire, Qing. (1775-1781) Qianlong. Emperor Gao Zong. AE 1 Cash (22.9mm; 4.14g). 乾 寶 通 隆 Qianlong Tong Bao. ᠪᠣᠣ ᠴᡳᠣᠸᠠᠨ Boo Chiowan. Eastern Branch. Includes an old collector flip. Hartill#22.223 $20