Lot 37007. Annan, Tu Duc silver 1/4 Lang ND (1848-83). Estimate: $1,000 - $1,200. Photo Heritage Auctions.
MS61 NGC, KM428, Sch-350.1, simple (normal) dragon, 9.4g, 35mm. Obv. Inscription, Tu Duc Thong Bao Trieu Dan Lei Chi around central hole. Rev. Simple dragon around central hole. A superb Mint State example, with argent-gray patina and considerable remaining luster.