France (Montpelier mint), ecu, Louis XV (large bust), 1747-N. Dav-1331; KM-512.14. 27.81 grams. XF+ with light surface corrosion and uneven dark toning, spots of dark encrustation. With original (generic) certificate from the salvagers. Auguste, sunk in 1761 off Nova Scotia, Canada
Estimate: $150-225