Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period).S-P4; KM-4.2; Cal-525.13.34 grams.Fine with mottled dark toning over surface hairlines, almost full and slightly doubled shield and cross.Pedigreed to the Arturo Rosenheim collection.From: Shield Type
($150-220)