Watch List notes:

Mexico City, Mexico, cob 4 reales, 1681 L, rare. S-M21; KM-unl; Cal-unl. 7.98 grams. Bold full oML and clear 1681 date, most of cross and shield, somewhat corroded but not as flat or thin as most, lightly toned. With generic (small) certificate from the salvors.Recovered from: Joanna, sunk in 1682 off South Africa.

Estimate: $200 - $300