Watch List notes:

Mexico City, Mexico, cob 8 reales, (1)680(L). S-M21; KM-46; CT-280. 18.87 grams. Full 680 date and mintmark oM, some shield and most of cross despite typical wear and corrosion. With generic certificate from the salvagers. Recovered from: Joanna, sunk in 1682 off South Africa
($125-200)