BOLIVIA, Potosí, cob 4 reales, Philip III, assayer Q, Grade 3. S-P17; KM-9; Cal-770. 12.96 grams. Odd-shaped flan (as made) with full but slightly off-center shield and cross, full PHILIPVS in legend, some flatness but minimal surface corrosion (rather nice for the assigned Grade). With original Mel Fisher tag and certificate 146622. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
































