Watch List notes:

Potosi, Bolivia, cob 8 reales, 1668E, NGC XF 40, finest known in NGC census.S-P37b; KM-26; Cal-699.25.01 grams.Full pillars-and-waves (right pillar 100% detailed) with bold date and mintmark, two assayers, full but slightly off-center cross with bold second mintmark and part of king's name in legend, lightly toned, with edge-split and corrosion near edge, currently the best of three entries at NGC.Pedigreed to the Arturo Rosenheim collection.
($350-500)