Treasure, World, U.S. Coin & Paper Money Auction 28

Potosi, Bolivia, cob 8 reales, Philip II, assayer B (5th period), borders of x's. S-P14; KM-5.5; Cal-672. 27.26 grams. Choice full shield and cr...

Potosi, Bolivia, cob 8 reales, Philip III, assayer C, rare. S-P16; KM-10; Cal-unl. 27.27 grams. Broad, out-of-round flan with choice full shield, full

Potosi, Bolivia, cob 8 reales, 1620T. S-P21; KM-10; Cal-929. 25.14 grams. Bold bottom half of date, nearly full shield and cross, clear mintmark and a

Potosi, Bolivia, cob 8 reales, Philip IV, assayer not visible (T, ca. 1622), upper half of shield and quadrants of cross transposed, ex-Panama Hoard.

Potosi, Bolivia, cob 8 reales, Philip IV, assayer T (ca. 1622), quadrants of cross transposed. S-P21a; KM-19. 27.24 grams. Attractively toned AXF with

Potosi, Bolivia, cob 8 reales, 1629T, denomination 8, fine-dot borders, NGC XF 45. S-P26; KM-19a; Cal-1454. 26.60 gams. Excellent full cross-lions-cas

Potosi, Bolivia, cob 8 reales, (1)630T. S-P26; KM-19a; Cal-1455. 27.04 grams. Very bold and choice shield and cross-lions-castles, clear bottom half

Potosi, Bolivia, cob 8 reales, (1)631T, cross-fleury ornament after date. S-P26; KM-19a; Cal-1456. 26.92 grams. Full and well-detailed shield and cros

Potosi, Bolivia, cob 8 reales, 1633T. S-P26; KM-19a; Cal-1458. 27.47 grams. Bold full dot-P-dot-T, good full cross-lions-castles (well centered) with

Potosi, Bolivia, cob 8 reales Royal (galano), 1637TR, denomination VIII vertically, very rare, NGC XF 40, finest known. S-P27; KM-R19a; Cal-1397. 27.4