Potosi, Bolivia, cob 4 reales, (1650-1)O, with crowned-L countermark on cross. S-P35; KM-17b. 13.66 grams. Choice full countermark on full cross-and-tressure, bold P-O to left of full shield, nicely toned, no corrosion, edge-split. Pedigreed to the Rob McClung collection. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($250-375)