Watch List notes:

Mexico City, Mexico, cob 8 reales, 1680L. S-M21; KM-46; CT-280. 25.12 grams. Odd shape, solid flan with light surface corrosion only, clear date and full oML, most of cross and shield. Pedigreed to the Charles Eidel collection, with certificate from the salvagers. Recovered from: Joanna, sunk in 1682 off South Africa ($150-225)