^Lot 256 BOLIVIA, Potosí, cob 8 reales, 1640 TR, rare, ex-Christensen (Plate).

BOLIVIA, Potosí, cob 8 reales, 1640 TR, rare, ex-Christensen (Plate). S-P27; KM-19a; Cal-1467. 25.10 grams. Very crude planchet with lots of flatness and uneven thickness (both as made and due to corrosion) yet with clear assayer (decidedly TR and not FR) and bold bottom half of 640 of date, darkly toned, desirable original pedigree. Pedigreed to the original "Treasures of the Conception" Christensen auction of May 1982, lot 140, plated in the catalog. Recovered from: Concepción, sunk in 1641 off Hispaniola