Watch List notes:

Mexico City, Mexico, cob 8 reales, (16)80L. S-M21; KM-46; CT-280. 15.54 grams. Very thin and weak but with clear date and oML, also nice full cross. With (generic) certificate from the salvager. Recovered from: Joanna, sunk in 1682 off South Africa (Estimate: $100 - 150)