Watch List notes:

Potosi, Bolivia, cob 4 reales, 1658E.S-P37a; KM-18; Cal-1125.12.77 grams.Broad-flan AVF, richly toned, with good full pillars-and-waves and cross, three dates and mintmarks, two assayers, large natural crack in edge.Pedigreed to the Arturo Rosenheim collection.
($250-375)