Watch List notes:

Potosi, Bolivia, cob 4 reales, 1626P, quadrants of cross transposed, extremely rare. S-P23; KM-17; Cal-1091. 11.79 grams. Clear date (first specimen we have seen or heard of in this denomination, for any assayer) and also clear P-dot-P (assayer not 100%) and denomination o-iiii, full but weaker cross, shield and crown, minimal surface corrosion, toned all over. Recovered from: Concepcion, sunk in 1641 off Hispaniola
($500-$1,000)