Annam
Minh Mang silver 7 Tien Year 13 (1832) AU58 NGC, KM194, Sch-181. Obv. Inscription (Minh Mang Thong Bao) around large sun. Rev. Large dragon with reign date 13 below. Superbly struck for the issue, with iridescent lead-gray patina, only a hint of wear, and no flaws worthy of mention.
Estimate: 2500-3000 USD