Lot 37011. Annam, Tu Duc gold 3 Tien ND (1848-83). Estimate: $6,000 - $8,000. Photo Heritage Auctions.
AU55 NGC, KM528, Sch-407. Obv. Tu Duc Thong Bao. Rev. Inscription, Tam Thao above three Longevities. Iridescent, minimally marked, surfaces, with light marks and a somewhat uneven reverse strike. A very rare issue and only the second example we have seen.