Watch List notes:

Potosi, Bolivia, cob 4 reales, (1650-1)O, crowned-O countermark on cross (rare). S-P35; KM-17b. 8.28 grams. Bold countermark, full shield and cross with contrasting toning, moderately to heavily corroded. Pedigreed to the Rob McClung collection. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador (Estimate: $200 - 300)