Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip IV, assayer E (1651-2), no countermark, ex-Ullian/Ruth.S-P36; KM-19b.21.43 grams.Edges a bit thin from corrosion yet center design quite clear with complete shield, assayer, and denomination plus a full (if doubled) cross side, scarce type without a countermark.With original certificate signed by Joel Ruth and Lou Ullian.From: Capitana, sunk in 1654 off Chanduy, Ecuador
($200-300)