清代长元丝圆锞子云南早期单槽0.5两银锭。重 20.15 克。无铭文版。<p>CHINA. Yuansi Changyuankezi. Provincial Fine Silk Oval Ingots. Silver 0.56 Tael Ingot, ND. Graded "AU 50" by Zhong Qian Ping Ji Grading Company.BMC-class LXXXV group B. Weight: 20.15 gms. Uninscribed type.Ex: Irving Goodman Collection (Superior 6/1991) Lot # 2102 (part of).