Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade-1 quality (certificate missing), mounted cross-side out in sterling silver pendant-bezel with 14K gold prongs and bail. KM-9. 19.77 grams. Good full cross and shield with contrasting toning in crevices, looks very solid and nearly corrosion-free, mounted (with cross rotated 90 degrees clockwise) in a heavy bezel with shackle bail and galleon ornament. Fisher/Miguel tag #TM802 (no tag or certificate). Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($350-500)