拍品描述： World - Asia, Middle-East & North Africa，NGUYEN DYNASTY (ANNAM): Bullion Series, AR 10 lang (358.74g), ca. late 19th century, 115mm-long curved rectangular silver bar, with several assayer stamps on the sides and etched assayer marking on reverse, VF, ex SARC Auction 38, Lot 1548. Known as "nen bac" in Vietnamese, these silver bars were made from various silver coins that circulated in the region and has a consistent fineness of .991.

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