Watch List notes:

Study lot of 8 Potosi, Bolivia, cob 1R, 1652E Transitional (several different Types). S-P37. 14.82 grams total. Despite thinning from corrosion on most, almost all of these show enough details to identify the McLean Type (II, III, V and possibly others), probably with some rare varieties, mostly toned. Recovered from: Consolacion, sunk in 1681 off Isla Santa Clara, Ecuador

Estimate: $500