NGC MS 63 (6638000-006).
Av. NAPOLEON III EMPEROR. Bare head right, below (different) BARRE (different).
Rv. FRENCH EMPIRE. Within a crown formed of two branches: 10 FRANCS (date) and below (workshop).
G.1015 - F.507 - Fr.586 ; Gold - 3.22 g - 19 mm - 6 h