Watch List notes:

Mexico City, Mexico, cob 4 reales, 1730R. S-M24; KM-40a; Cal-1090. 13.50 grams. Good cross, full oMR and 173 of date (clear final digit 0), no corrosion, mostly darkly toned. With original (generic) certificate from the salvagers.Recovered from: Rooswijk, sunk in 1739 southeast of England
($125-$200)