Annam
Tu Duc silver 3 Tien ND (1848-83), Sch-347.2, KM-436, 42mm, MS62 NGC. Obv. Center square hole with dragons on either side, sunlight above and clouds below. Rev. Four characters, "Thong Buu" and the Reign name. Crudely struck, as normal for the issue, with full luster. An exceptional example of this conditionally rare issue.
Estimate: 3000-4000 USD