1876-S年贸易银壹圆。旧金山造币厂。轻微包浆,均匀经手,正面左侧底板有一清晰的圆字戳记,反面鹰身亦有小戳,但未能明辨字体。UNITED STATES OF AMERICA. Trade Dollar, 1876-S. San Francisco Mint. PCGS EF-40. Chop Mark.KM-108. Lightly toned and evenly handled, this specimen features a clear "yuan" chopmark in the left field of the obverse, along with a more uncertain character(s) on the body of the eagle on the reverse.