Potosi, Bolivia, cob 4 reales, 1649 O/Z, with crowned-dot-F-dot (four dots) countermark on shield (very rare), ex-Harley, ex-Mastalir (Plate). Corroded and thin but with enough of the countermark to recognize it, also with full P-O/Z and tail of 9 of date, making it one of only three known with this combination, toned all over. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island. This item is in the category "Coins & Paper Money\Coins: World\South America\Bolivia". The seller is "premierrarecoins" and is located in this country: US.This item can be shipped to United States.