1841-1848年绍治通宝背龙云契会 PCGS MS 64
NGUYEN DYNASTY (DAI NAM): Thieu Tri, 1841-1848, AR 5 tien (18.93g), KM-286, Schroeder-261, 45mm, a lovely toned high grade mint state example of this large Annamese silver type! PCGS graded MS64, ex Gustaf Melin Collection.