Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)47, assayer not visible, very rare, with crowned-L countermark on cross, encapsulated NGC genuine / La Capitana Shipwreck. KM-19a. Broad flan with good full shield (off-center) and cross, edge-splits, full small 4 of date but final digit messy (could be 8/7), most of countermark visible, minimal corrosion, nicely toned. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($600-900)