KM# 664.11805, France (Empire), Napoleon I. Beautiful Gold 40 Francs Coin. 12.91gm! Denomination: 40 Francs Engraver: Nicolaus-Pierre Tiolier Mint Year: Year 13 of the Revolution (1804/1805) Reference: Friedberg 481, Gadoury 1081, KM-664.1. Material: Gold (.900) = 0.3734 Ounces of Pure Gold! Diameter: 25.9mm Weight: 12.91gm Obverse: Bare head of Napoleon Bonaparte left. Engraver´s name ...