Watch List notes:

Mexico City, Mexico, cob 4 reales, (1)624/3/2D, rare. S-M18a; KM-unl. (cf. 38). 10.52 grams. Clear oMD, full 24 of date with messy overdate, decent cross and shield despite moderate corrosion, nicely toned. Recovered from: "Lucayan Beach wreck," sunk ca. 1628 off Grand Bahama Island

Estimate: $100 - 150