Pillars and Waves
Potosi, Bolivia, cob 8 reales, 1744C.S-P49; KM-31a; Cal-1585.27.37 grams.Incredibly crude flan, with up to a 4mm difference in thickness from ragged edge to humped center, yet clearly high grade (AU by today's standards) and with two clear dates and assayers and three mintmarks, the cross and pillars full and well centered.
Estimate: 300-450 USD