France (Pau mint in the province of Bearn), ecu, Louis XV (large bust), 1747, mintmark cow. Dav-1331A; KM-518. 27.68 grams. XF/AU with hints of luster, minimal surface corrosion, lightly toned with small dark patches. With original (generic) certificate from the salvagers. Auguste, sunk in 1761 off Nova Scotia, Canada
Estimate: $150-225