368. Lot of 5 Potosí, Bolivia, cob 8 reales, Philip III, assayers Q, M, T or not visible, most Grade-1 quality but all Grade
2 on certificates. KM-10. 125.59 grams total. Generally good full shields and crosses, some toned, all but one with assayers visible, light corrosion only except for one coin whose edge is worn away. With Fisher certificates #107054, 155076, 156320, 180879 and 203837. Estimate: $1,750-$2,500.
Potosí 4R
369. Potosí, Bolivia, cob 4 reales, Philip II, assayer A/A/B 370. Potosí, Bolivia, cob 4 reales, Philip II, assayer A, Grade (rare), Grade 1, Research Collection Plate Coin #116. S-P11;
KM-4.2; CT-345. 13.41 grams. Superb
and intricately detailed full shield and cross-lions-castles, full P-A with clear over-assayer A/A/B (not noted in the Research Collection description), minimal corrosion, attractively toned around details. Pedigreed to the Atocha Research Collection, with copy of McKinney/Christie’s catalog and Fisher photocertificate #237396, also with Duncan Mathewson appraisal that gives the Grade. Estimate: $1,500-$2,250.
Want to see your collection sold like this? Consign to our Treasure, World & U.S. Coin Auction #15 (spring, 2014).
1. S-P11; KM-4.2; CT-346. 12.69 grams. Round flan with bold P-A, full and well-detailed shield and cross despite weak spots, much legend, minimal corrosion, scarce and desirable early issue. With Fisher certificate #TM1372. Estimate: $500-$750.
371. Potosí, Bolivia, cob 4 reales, Philip III, assayer Q,
quadrants of cross transposed (rare for this assayer), Grade 1. S-P17; KM-9; CT-243. 13.14 grams. Bold full cross and shield, full P-Q,
minimal surface corrosion, elegant toning all over. With Fisher/Sinclair certificate #185693. Estimate: $600-$900.
115