^Lot 1728 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. 20.87 grams. Corroded piece with some shield and cross detail on this crude planchet, clear mintmark though assayer not certain (probably T), some legend detail including bottom part of 6 in date. With original certificate from Captain Tracy Bowden through his contract with the Dominican Republic. Recovered from: Concepción, sunk in 1641 off Hispaniola