Potosi, Bolivia, cob 2 reales, Philip II, assayer B (2nd period), Grade-1 quality (no Grade on certificate), ex-Research Collection. S-P6; KM-3.2; CT-486. 6.28 grams. Superb full shield and cross and nearly full crown, bold assayer (large) and mintmark (tiny), much legend (commas), no corrosion, desirable pedigree. With Fisher photo-certificate #236978 inside hard folder, and pedigreed to the Research Collection, coin #50. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $1000 - 1500)