Annam
Tu Duc 1/4 Lang ND (1848-1883) AU58 PCGS, KM428, Schroeder-350.1. 9.47gm. Notably choice for the assigned grade, an enchanting russet tone taking up amongst the features and only a scattered of obverse dings keeping it from Mint State.
From the Engelen Collection of World Coinage
HID02901242017
Estimate: 700-900 USD