CoinWorldTV 1811, France (1st Empire), Napoleon I. Heavy Gold 40 Francs Coin. 12.83gm! Mint Place: Paris (A) Denomination: 40 Francs Engravers: Brenet & Tiolier. References: Friedberg 505, KM-696.1. Material: Gold (.900) .3734 oz ASW Weight: 12.83gm Diameter: 26mm Obverse: Laureate bust of Napoleon Bonaparté right. Engraver´s signature (Brenet & Tiolier) below. Legend: NAPOLE ...