Watch List notes:

Brazil, 600 reis, Afonso VI, crowned-600 countermark (1663) on a Mexico City, Mexico, cob 8 reales of Philip IV, assayer P, rare. 12.15 grams. Very bold full countermark next to decent cross, clear oMP on other side, but overall quite corroded and thin, nice toning. With (generic) certificate from the salvager. Recovered from: Joanna, sunk in 1682 off South Africa (Estimate: $150 - 225)