^Lot 236 BOLIVIA, Potosí, cob 4 reales, Philip II, assayer not visible (style of 3rd-period B), no Grade on c

BOLIVIA, Potosí, cob 4 reales, Philip II, assayer not visible (style of 3rd-period B), no Grade on certificate. S-P10; KM-4.2; Cal-525. 10.81 grams. Crisply detailed full shield and cross, albeit with light to moderate corrosion all over, nicely toned, attributed to Philip III in error on tag and certificate (on which "Grade: 1" was typed in by hand, initialed by "J.Q."). With Fisher tag and certificate 85A-121390. Recovered from: Atocha, sunk in 1622 west of Key West, Florida