China Ancient silver sycee, Nan Ming dynasty: 1644-1662 A.D.; Shantong, silver ingots wt =156gms, boat shaped, AU.(1) Zhong Qian Ping Ji Grading Company. AU+
China Ancient silver sycee, Nan Ming dynasty: 1644-1662 A.D.; Shantong, silver ingots wt =156gms, boat shaped, AU.(1) Zhong Qian Ping Ji Grading Company. AU+