Watch List notes:

France (Riom mint), ecu, Louis XV, 1731-O. KM-486.15. 27.89 grams. VF/XF with patchy toning, minimal corrosion, large old X-scratch on reverse, scarce date for the mint. With original (generic) certificate from the salvagers. Auguste, sunk in 1761 off Nova Scotia, Canada

Estimate: $150-225