Potosi, Bolivia, cob 8 reales, 1652E, very rare, with crowned-dot-F-dot countermark (two dots) on shield. S-P36; KM-19b; CT-515. 25.48 grams. Good full countermark, shield and cross, all nicely toned, with minor edge-split and no corrosion except for parts of edge. With MAREX tag #91-8R-0214. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
($1500-2250)