Treasure, World, U.S. Coin & Paper Money Auction 30

Potosi, Bolivia, cob 8 reales, (1650-2) O or E, with uncommon crown-alone (Mastalir K4o1) countermark on cross, unique, Mastalir plate. KM-19b. 12.76

Potosi, Bolivia, cob 2 reales, Philip IV, assayer not visible. KM-14a. 4.65 grams. Corroded with some shield and cross detail, desirable with original

Lima, Peru, cob 1/2 real, Philip IV, "Star of Lima" type (very rare), date and assayer not visible (1659 V). S-L5; KM-unl; Cal-545. 1.09 g...

Potosi, Bolivia, cob 4 reales, Philip IV or Charles II, assayer E. 8.35 grams. Corroded with dark toning, some clear pillars and cross detail. With

Potosi, Bolivia, cob 2 reales, 1661 E. S-P37a; KM-16; Cal-929. 3.54 grams. A bit thin on the edges from corrosion yet nicely detailed with bold pillar

Potosi, Bolivia, cob 1 real, 1662 E. S-P37a; KM-13; Cal-764. 2.91 grams. Exceptional piece with three bold and complete dates, strong pillars detail (

Potosi, Bolivia, cob 1/2 real, 1673. S-P37b; KM-22; Cal-163. 1.31 grams. Slightly corroded yet with two clear dates, full monogram, and partial king...

Mexico City, Mexico, cob 8 reales, 1679 L. S-M21; KM-46; Cal-640. 18.87 grams. Some surface corrosion with a weak shield but clear date, mintmark, and

Mexico City, Mexico, cob 8 reales, 1680 L, rare. S-M21; KM-46; Cal-641. 25.50 grams. Solid piece with surfaces rather smooth and matte due to light co

Mexico City, Mexico, cob 8 reales, 1680 L, rare. S-M21; KM-46; Cal-641. 16.78 grams. Thin from saltwater corrosion yet with a clear mintmark, assayer