Pillars and Waves
Potosi, Bolivia, cob 1/2 real Royal (galano), 1747, Ferdinand VI, extremely rare (unlisted), NGC XF details / plugged.S-P50a; KM-unl; Cal-unl.1.62 grams.Like almost all known Ferdinand VI 1/2R Royals, which have such a large and explicit monogram for that includes FR to left, Dv in middle and I to right in addition to an S above (all fully visible on this specimen), there is no room for a clear date at bottom, here manifest as (from left to right) bold 7, weak 4 and uncertain 7, unlisted and probably unique, the cross also full but slightly off-center, richly toned all over, with plugged hole above left arm of cross / on last digit of date. Even as just a type-coin this piece is rare and desirable.
Estimate: 700-1000 USD