Mexico City, Mexico, cob 8 reales, 1623/2 D, very rare. S-M18a; KM-45; Cal-1299. 26.27 grams. Bold example with nearly complete shield and cross plus minimal surface corrosion, date a bit off planchet with bottom of 3 visible and certain but indistinct under-digit 2 (could also be 2/1). Recovered from: "Lucayan Beach Wreck," sunk ca. 1628 off Grand Bahama Island
Estimate: 250 - 375 USD