Watch List notes:

Potosi, Bolivia, cob 8 reales, 1755q.S-P54; KM-40; Cal-533.27.41 grams.Very sharply square-cut flan with bold date and mintmark and assayer on both sides (full pillars and cross), XF with tan sediment in crevices.Pedigreed to the Arturo Rosenheim collection.
($250-375)