Sedwick's Treasure, World & U.S. Coin Auction 31

Potosi, Bolivia, cob 4 reales, Philip II, assayer R (Rincon) to left, ex-Stallard. S-P1; KM-4.2; Cal-518. 13.60 grams. Broad flan with full crown and

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period), HISPANIARVM with H, ex-Stallard. S-P4; KM-4.2; Cal-525. 13.75 grams. Boldly detailed

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period), ISPANIARVM without H. S-P4; KM-4.2; Cal-525. 13.12 grams. Broad-flan AVF with much l

Potosi, Bolivia, cob 4 reales, 1628 assayer T/P, quadrants of cross transposed, very rare, NGC AU 53, finest and only example in NGC census. S-P24; KM

Potosi, Bolivia, cob 4 reales, 1641 (FR), extremely rare. S-P28; KM-17a; Cal-unl. 13.04 grams. Chaotically double-struck Fine with bold full 164 of da

Potosi, Bolivia, cob 2 reales, Philip II, assayer M/R to left, very rare, ex-Ugaz. S-P2; KM-3.2; Cal-unl. 6.21 grams. Choice full details (including m

Potosi, Bolivia, cob 2 reales, Philip II, assayer M to right, very rare, ex-Ugaz. S-P2; KM-3.2; Cal-unl. 6.39 grams. Porous VF with no toning except f

Potosi, Bolivia, cob 2 reales, Philip II, assayer RL, NGC AU 58 ("top pop"). S-P13; KM-3.2; Cal-unl. 6.74 grams. Lustrous and well detaile...

Potosi, Bolivia, cob 2 reales, Philip III, assayer curved-leg RL, NGC AU 55. S-P15; KM-8; Cal-unl. 6.69 grams. Choice details and luster per the grade

Potosi, Bolivia, cob 2 reales, 1651 E, rare, ex-Mastalir (Plate Coin). S-P36; KM-14b; Cal-913. 5.66 grams. Broad flan with good full cross (particular

Potosi, Bolivia, cob 1/2 real, Philip III, assayer PAL to left of monogram, very rare, ex-Ugaz. S-P20; KM-unl; Cal-414. 1.95 grams. Bold full cross (t

Potosi, Bolivia, cob 1/4 real, Philip II, assayer L to right, mintmark P to left, very rare. S-P3; KM-unl; Cal-109. 0.87 grams. Very broad flan with f

Potosi, Bolivia, cob 1/4 real, Philip II, assayer B to left, no mintmark, very rare, ex-Ugaz. S-P10; KM-unl; Cal-unl. 0.72 gram. Broad flan with nearl

Potosi, Bolivia, cob 1/4 real, Philip II, assayer B to left, mintmark P to right, borders of x's, rare, ex-Ugaz. S-P14; KM-unl; Cal-unl. 0.77 gr...

Potosi, Bolivia, cob 1/4 real, Philip III, no assayer, shield around castle, large lion without shield, very rare. KM-unl; Cal-unl. 0.79 gram. Darkly

Potosi, Bolivia, cob 1/4 real, Philip III, no assayer, shield around castle, small lion without shield, rare, ex-Ugaz. KM-unl; Cal-unl. 0.78 gram. Sma

Potosi, Bolivia, cob 1/4 real, Philip III, no assayer, shield around castle without crown, small lion without shield, rare, ex-Ugaz. KM-unl; Cal-unl.

Potosi, Bolivia, cob 1/4 real, Philip IV, no assayer, shield around checkerboard-style castle, small lion without shield, very rare, ex-Ugaz. KM-unl;

Potosi, Bolivia, cob 8 reales, 1652 E Transitional Type IV/A. S-P37; KM-A20.4; Cal-1493. 27.11 grams. Attractively toned non-salvage VF (rare thus) wi

Potosi, Bolivia, cob 8 reales, 1652 E Transitional Type IV/A, ex-Stallard. S-P37; KM-A20.4; Cal-1493. 26.85 grams. Broad-flan VF with nice toning and