Potosi, Bolivia, cob 2 reales, Philip II, assayer B (5th period), border of x's on obverse, border of boxes on reverse, Grade-1 or -2 quality but certificate missing. S-P14; KM-3.4. 6.34 grams. Good full shield and crown, full but slightly weaker cross-and-tressure, corrosion-free. With Fisher tag #143919. Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($350-500)