^Lot 257 BOLIVIA, Potosí, cob 4 reales, Philip III, assayer Q, ex-Christensen (Plate).

BOLIVIA, Potosí, cob 4 reales, Philip III, assayer Q, ex-Christensen (Plate). S-P17; KM-9; Cal-770. 10.39 grams. Broad flan (thin from corrosion) with bold assayer Q, full shield and cross, deeply toned, desirable original pedigree. Pedigreed to the original "Treasures of the Conception" Christensen auction of May 1982, lot 142, plated in the catalog, with original lot-tag. Recovered from: Concepción, sunk in 1641 off Hispaniola