Pillars and Waves
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.Broad flan with bold full details and attractive old toning, holed to right of cross / right of pillars (aligned axis), probably unique as no other examples have been seen, this date unlisted until the 2019 Calico reference (no doubt linked to the discovery of this specimen).
Estimate: 3500-5000 USD