Watch List notes:

Mexico City, Mexico, cob 8 reales, 1654P, with crowned-600 countermark of Brazil (600 reis, 1663) on cross, rare. S-M19; KM-45; CT-360. 16.06 grams. Very bold and deeply impressed countermark on weak cross (lightly corroded), bold full oMP next to full but weak shield, weak but certain date, no toning except in countermark. With generic certificate from the salvagers. Recovered from: Joanna, sunk in 1682 off South Africa
($200-300)