435. Potosí, Bolivia, cob 8 reales, (1649-52)(O or E), with two crowned-O countermarks on shield (rare). KM-19b. 23.46
432. Potosí, Bolivia, cob 8 reales, (1651-2)E, with crowned-L
countermark on cross. S-P36; KM-19b. 25.09 grams. Broad flan with
grams. Nice full crown and shield with most of both countermarks
minimal surface corrosion but much flatness of strike, the countermark nearly full and darkly toned, bold king’s ordinal IIII. With certificate from the salvagers. Estimate: $250-$375.
visible (light surface corrosion), pristine full cross (some flatness), light toning. With certificate from the salvagers. Estimate: $300-$450.
436. Potosí, Bolivia, cob 8 reales, (1649-52)(O or E), with crowned-•F• countermark on shield. KM-19b. 17.25 grams. Cor-
433. Potosí, Bolivia, cob 8 reales, (1651-2)E, with crowned-o countermark on cross. S-P36; KM-19b. 22.65 grams. Thin and broad
roded and thin but with very bold dot-F of countermark (enhanced by toning), most of shield. With certificate from the salvagers. Estimate: $200-$300.
but without visible corrosion, bold full cross, good full crown, bold countermark with brockage of same on shield side, small edge-split. Pedigreed to the Rob McClung collection. Estimate: $250-$375.
437. Potosí, Bolivia, cob 4 reales, Philip IV, assayer not visible (ca. 1649), with two crowned-a countermarks (very rare) on cross. KM-17a. 12.89 grams. Crudely struck but uncorroded,
434. Potosí, Bolivia, cob 8 reales, (1651-52)E, with crowned-(?) countermark on cross.
S-P36; KM-19b. 21.25 grams.
Non-round flan (one straight side), thin from corrosion but with full and well-detailed cross and shield, toned in crevices. With certificate from the salvagers. Estimate: $200-$300.
somewhat concave due to the two countermarks (one on top of the other), the “a’s” in the countermarks not visible but with distinctive crowns, small edge-splits. With certificate from the salvagers. Estimate: $400-$600.
438. Potosí, Bolivia, cob 4 reales, Philip IV, assayer not visible (ca. 1649), with crown-alone countermark on shield.
KM-17a. 13.26 grams. Bold full countermark, the coin lightly struck (not
really corroded) but with decent full cross, edge-split. With certificate from the salvagers. Estimate: $200-$300.
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