^Lot 433 BOLIVIA, Potosí, cob 8 reales, 1649 O/Z, with crowned-•F• (two dots) countermark on shield, rare.

BOLIVIA, Potosí, cob 8 reales, 1649 O/Z, with crowned-•F• (two dots) countermark on shield, rare. S-P35; KM-19b; Cal-1486. 27.43 grams. Solid flan (only a touch of pitting near part of edge) with full date outside of full but partially flat cross, good full crown and shield with countermark on left side, assayer O/Z to left and denomination 8 to right, lightly toned. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island