Watch List notes:

Mexico City, Mexico, cob 8 reales, 1679 L. S-M21; KM-46; Cal-640. 18.87 grams. Some surface corrosion with a weak shield but clear date, mintmark, and assayer, nice full cross. With generic certificate from the salvors, pedigreed to the Ponterio auction of June 1997 (lot 830). From: Joanna, sunk in 1682 off South Africa
($150-225)