Watch List notes:

Potosi, Bolivia, cob 8 reales, 1723 Y, rare. S-P43a; KM-31; Cal-1559. 26.14 grams. Nearly full cross, the pillars flat and the waves doubled, but solid and virtually uncorroded, with three clear dates, minor edge-splits. With Sedwick photo-certificate and Pat Johnson tag and generic certificate. From: Princess Louisa, sunk in 1743 off the Cape Verde Islands, west of Africa
($400-600)