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

Potosi, Bolivia, cob 4 reales Heart, 1720 Y, unique, NGC plated / holed, ex-Pat Johnson. Janson-unl (Type C34); S-P43a; KM-unl; Cal-unl (Type 144). 13

Potosi, Bolivia, cob 4 reales Heart, 1721 Y, unique, NGC XF 45, Practical Book of Cobs Plate Coin, Janson Plate Coin. Janson-C34.21; S-P43a; KM-unl; C

Potosi, Bolivia, cob 4 reales Royal (galano), 1727/6 Y, Louis I, extremely rare, NGC XF details / holed, finest and only example in NGC census, Calico

Potosi, Bolivia, cob 4 reales, 1750 E, ex-Rosenheim, ex-Ugaz. S-P51; KM-39; Cal-403. 11.59 grams. Chunky oblong flan terminating in a sharp point, bol

Potosi, Bolivia, cob 4 reales, 1751 q/E, ex-Rosenheim, ex-Ugaz. S-P52; KM-39; Cal-unl (Type 55). 11.09 grams. Small, oblong, chunky flan with good ful

Potosi, Bolivia, cob 4 reales, 1751 q/E. S-P52; KM-39; Cal-unl (Type 55). 13.39 grams. Chunky flan with bold full pillars and cross, three assayers in

Potosi, Bolivia, cob 4 reales, 1753 C, ex-Rosenheim, ex-Ugaz. S-P53; KM-39; Cal-408. 13.55 grams. Full and well-centered pillars and cross on a very c

Potosi, Bolivia, cob 4 reales, 1754 C, ex-Rosenheim, ex-Ugaz. S-P53; KM-39; Cal-409. 12.40 grams. Chunky flan in an odd, almost heart-like shape (poss

Potosi, Bolivia, cob 2 reales, 1654 E, dot-PH-dot at top, motto as PLV-SV-LTR, ex-Mastalir. S-P37a; KM-16; Cal-921. 6.86 grams. Broad, round, Royal-li

Potosi, Bolivia, cob 2 reales, 1712 Y, NGC MS 61, finest and only example in the NGC census. S-P43a; KM-29; Cal-888. 7.72 grams. Lustrous (non-toned)