Treasure, World & U.S. Coin Auction #19

Potosi, Bolivia, cob 4 reales, 1658E. 13.56 grams. Full but weak cross with bold mintmark and assayer, crudely doubled pillars, Fine+ with some toning

Potosi, Bolivia, cob 4 reales, 1723Y. 11.60 grams Worn (VG) and crude but with full pillars and nearly full cross, clear date (scarce) and assayer, to

Potosi, Bolivia, cob 4 reales, 1730M. 12.88 grams. Choice full cross and nice full pillars, two bold dates and assayers and mintmarks, VF with toned f

Potosi, Bolivia, cob 4 reales, 1737M/E, extremely rare, ex-Trastamara. 13.07 grams. Nice full pillars with very bold full date, off-center cross with

Potosi, Bolivia, cob 4 reales, 1742C/P, extremely rare. 13.56 grams. Bold full pillars and cross, with clear date, two partial assayers on pillars sid

Potosi, Bolivia, cob 4 reales, 1745(q). 13.69 grams. Interestingly diamond-shaped flan (still chunky as usual), good full pillars and cross, two dates

Potosi, Bolivia, cob 4 reales, 1746q. 13.26 grams. Choice full pillars with very bold date, the cross also full and choice with weaker full date below

Potosi, Bolivia, cob 4 reales, 1747q. 13.66 grams. Bold full cross and pillars, both with bold dates and mintmarks and assayers, choice AXF.

Potosi, Bolivia, cob 4 reales, 1748q. 13.32 grams. Compact flan with well-centered full pillars and cross (the latter very bold), two dates, XF with l

Potosi, Bolivia, cob 4 reales, 1749q. 13.30 grams. Full cross with very bold date, full pillars with second date, three assayers, crude edge (as made)