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

Potosi, Bolivia, cob 8 reales, 1752q. S-P52; KM-40; Cal-522. 27.17 grams. Choice full cross (well centered) and bold full pillars (slightly doubled) w

Potosi, Bolivia, cob 8 reales Royal (galano), 1757q, unique (unlisted), NGC AU 50, finest and only example in NGC census. S-P54; KM-unl (R40 for type)

Potosi, Bolivia, cob 8 reales, 1759q, NGC VF 35. S-P54; KM-40; Cal-537. 26.60 grams. Chunky flan with two bold dates, full pillars and nearly full cro

Potosi, Bolivia, cob 8 reales, 1763V-Y. S-P57; KM-45; Cal-1139. 26.85 grams. Beautifully toned AXF with full pillars-and-waves and cross (the latter s

Potosi, Bolivia, cob 8 reales, 1764V-Y-V. S-P57; KM-45; Cal-1140. 25.49 grams. Exceptionally broad and flat flan (way larger than any Royal of this pe

Potosi, Bolivia, cob 8 reales, 1773(V)-Y, rare final date of cobs, NGC XF 40, Sellschopp (2nd ed.) Plate Coin. S-P59; KM-45; Cal-1158. 25.40 grams. Th

Potosi, Bolivia, cob 4 reales Royal (galano), 1654E, dot-PH-dot at top, extremely rare, NGC XF details / plugged. S-P37a; KM-unl (R18 for type); Cal-1

Potosi, Bolivia, cob 4 reales Royal (galano), 1677E, extremely rare, NGC VF details / holed, ex-Americas, ex-Santa Rosa de Lima (both stated on label)

Potosi, Bolivia, cob 4 reales Royal (galano), 1703Y, very rare, NGC VF details / holed. S-P43a; KM-R30; Cal-1135. 12.77 grams. Broad and round and eve

Potosi, Bolivia, cob 4 reales Royal (galano), 1717Y, extremely rare, NGC AU details / holed. S-P43a; KM-unl (R30 for type); Cal-1138. 12.76 grams. Bro

Potosi, Bolivia, cob 4 reales Royal (galano), 1727/6Y, Louis I, extremely rare, NGC XF details / holed, Calico Plate Coin, KM Plate Coin. S-P43b; KM-R

Potosi, Bolivia, cob 4 reales Royal (galano), 1727Y, Louis I, extremely rare (unlisted), NGC XF details / holed, mount removed, ex-Karon. S-P43b; KM-R

Potosi, Bolivia, cob 4 reales, 1748q. S-P50a; KM-39; Cal-399. 13.55 grams. Very choice full pillars including tops and full but doubled cross, two ass

Potosi, Bolivia, cob 4 reales, 1750E. S-P51; KM-39; Cal-403. 13.94 grams. Bold full pillars (well centered) and nearly full cross, AXF with deeply ton

Potosi, Bolivia, cob 4 reales, 1752q. S-P52; KM-39; Cal-406. 13.39 grams. Well-centered strike on a chunky flan with sharply cut edges, full cross, bo

Potosi, Bolivia, cob 4 reales, 1753q. S-P52; KM-39; Cal-407. 13.55 grams. Chunky flan with flat peripheries but good centers, including bold full date

Potosi, Bolivia, cob 4 reales Royal (galano), 1760Y-V-Y, extremely rare (unlisted), NGC VF details / edge filing. S-P56a; KM-unl; Cal-unl. 13.41 grams

Potosi, Bolivia, cob 2 reales, 1678E, ex-Jones. S-P37b; KM-24; Cal-402. 7.13 grams. Very broad and in fact overweight flan with full pillars-and-waves

Potosi, Bolivia, cob 2 reales, 1681V. S-P39; KM-24; Cal-409. 5.97 grams. Huge, odd flan with much edge-crack and flatness but bold full date and mintm

Potosi, Bolivia, cob 2 reales Royal (galano), 1715Y, very rare, NGC AU details / holed. S-P43a; KM-R29; Cal-843. 5.44 grams. Choice deep strike with o