Lot 37003. Annam, Thiêu Tri silver 7 Tiên ND (1841-48). Estimate: $2,500 - $3,000. Photo Heritage Auctions.

AU58 NGC, KM290, Sch-258.1. Obv. Inscription, Thieu Tri Thong Bao, around small sun. Rev. Dragon. Only the faintest hit of rubbing on the high points, with a bold strike and light argent-gray toning. . 

Heritage Auctions. 2016 December 8 - 9 HKINF World Coins & Ancient Coins Signature Auction - Hong Kong #3050