Watch List notes:

Mexico City, Mexico, cob 8 reales, Charles II, assayer not visible, very large bubble-hole. KM-46. 25.25 grams. Thick and solid coin but with huge hole, full but weak shield, off-center cross, darkly toned. With generic certificate from the salvagers. Recovered from: Joanna, sunk in 1682 off South Africa

Estimate: $100