Watch List notes:

Mexico City, Mexico, cob 4 reales, 1730R. S-M24; KM-40a; Cal-1090. 13.36 grams, the box 2-1/4". Solid and uncorroded coin with bold full mintmark and clear bottom half of date, patches of dark toning. With original box, postcard and photo-certificate from the salvagers.Recovered from: Hollandia, sunk in 1743 off the Isles of Scilly, southwest of England
($150-$225)