Pillars and Waves
Potosi, Bolivia, cob 4 reales Royal (galano), 1727/6Y, Louis I, extremely rare, NGC XF details / holed, Calico Plate Coin, KM Plate Coin.S-P43b; KM-RA35; Cal-33.13.11 grams.Thick, small-diameter flan as expected, with no visible legends except (conveniently) the bottom of the king's ordinal PR, the strike very deep, even and well-centered, also richly toned all over, the overdate quite clear below the cross (possibly unique--no others known to us), typically holed to left of pillars / about 4 o'clock on cross side.Plate Coin in Calico's Numismatica espanola (2019) and Krause-Mishler's Standard Catalog references, also pedigreed to the Ponterio auction of March 1996 (lot #1111).
Estimate: 5000-7500 USD