Watch List notes:

Mexico City, Mexico, cob 4 reales, 1730R.S-M24; KM-40a; Cal-1090.13.36 grams.Solid and uncorroded coin with bold full oMF and clear bottom half of date, patches of dark toning.With generic certificate. From: Hollandia, sunk in 1743 off the Isles of Scilly, southwest of England
($200-300)