450. Potosí, Bolivia, cob 8 reales, 1650O, with crowned-L
countermark on cross. S-P35; KM-19b; CT-509. 22.01 grams. Choice
full shield and cross and distinctive crown, 100% full countermark, light corrosion near edge only, toned in crevices. With Marex tag #91-8R-1544 and pedigreed to the David Horner collection. Estimate: $250-$375.
453. Potosí, Bolivia, cob 8 reales, 1(65)1E, with crowned-L countermark on cross. S-P36; KM-19b; CT-511. 26.35 grams. Broad flan
with full but slightly doubled shield and cross, full countermark, full 1’s of date, nicely toned and corrosion-free, with hairline edge-split. With Marex tag #91-8R-0168 and pedigreed to the David Horner collection. Estimate: $250-$375.
451. Potosí, Bolivia, cob 8 reales, 16(50)O, date with dots
between digits, with crown-alone (common) countermark on shield. S-P35; KM-19b; CT-509. 25.70 grams. Solid and essentially
uncorroded (also broad flan) but with some weak areas, full cross and shield, bold ornament before date and dot after first 1, low contrast. With Marex tag #91-8R-0550. Estimate: $200-$300.
454. Potosí, Bolivia, cob 8 reales, (1651-2)E, with crowned•F• countermark (four dots) on shield. S-P36; KM-19b. 25.38 grams.
Good full countermark on full shield with bold P-E to left, full but corroded cross, darkly toned all over. Pedigreed to the Thomas Gray collection and formerly displayed at the ANA Money Museum’s “Treasures of the Deep” exhibit (2014-15). Estimate: $200-$300.
452. Potosí, Bolivia, cob 8 reales, 1651O, with crowned-•F•
countermark on shield.
S-P35; KM-19b; CT-510. 24.82 grams. Bold countermark, full but doubled shield, full but partially corroded cross, but best feature is the very bold full date. With Marex tag #91-8R-1275 and pedigreed to the David Horner collection. Estimate: $350-$500.
455. Potosí, Bolivia, cob 8 reales, (1651-2)E, with crowned-
•F• countermark on shield. S-P36; KM-19b. 26.83 grams. Broad flan with bold countermark on full shield, full but mostly weak cross, corrosion near edge, mostly nicely toned but some dark spots, small edge-split. With Marex tag #91-8R-1561. Estimate: $200-$300.
Potosí 1652 Transitional
456. Potosí, Bolivia, cob 4 reales, 1652E Transitional,
McLean Type I or II, rare. S-P37. 8.90 grams. Full pillars with bold
“4 over 4” but cross side totally corroded away, patchy toning here and there. Pedigreed to the David Horner collection. Estimate: $250-$375.
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