Watch List notes:

Potosi, Bolivia, cob 8 reales, (1650-52), assayer not visible (O or E), with two countermarks on cross side (rare): arms and crown alone. KM-19b. 23.85 grams. Full cross with two clear countermarks, full but weaker shield, light wear and pitting from corrosion, nicely toned. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($350-$500)