Belgium
Leopold I copper Pattern 2 Francs 1849 MS64 Brown NGC, KM-Unl., Dupriez-419 (R2). Reeded edge. A notably rare, razor-sharp issue, misattributed as a piefort on the holder, though Dupriez clearly describes a copper pattern issue with brilliant fields and a reeded edge under no. 419.
From the Engelen Collection of World Coinage
HID02901242017
Estimate: 300-500 USD