CoinWorldTV 1792, France (1st Republic), Louis XVI. Silver Ecu (6 Livres) Coin. Engraver: Dupré Mint Place: Rouen (B) State: France (1st Republic) Denomination: Ecu of 6 Livres. Mint year: 1792 (Year 4 of the Revolution) References: Davenport 1335, Gadoury 55, KM-615.3. Material: Silver (.917) Weight: 28.96gm Diameter: 37mm Obverse: Winged and wreathed Genius (personification of ...