ANNAM. 1/4 Lang, ND (1848-83). Tu Duc. PCGS Genuine--Cleaning, Unc Details.
KM-431; Sch-375. An elegant specimen with clear characters and a coiled dragon, this example does exhibit some minor cleaning, but is otherwise clear of handling and is starting to reacquire color near portions of the peripheries.
Estimate: $1500 - $3000