^Lot 367 BOLIVIA, Potosí, cob 8 reales, Philip IV, assayer not visible (1630s).

BOLIVIA, Potosí, cob 8 reales, Philip IV, assayer not visible (1630s). KM-19a; Cal-Type 327. 24.48 grams. Excellent full cross-lions-castles, full but slightly off-center shield with part of king's ordinal IIII in legend, deeply toned, light corrosion near edge. With original certificate from Captain Tracy Bowden through his Concepción contract with the Dominican Republic. Recovered from: Concepción, sunk in 1641 off Hispaniola