Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period).S-P4; KM-4.2; Cal-525.13.77 grams.XF details on a broad planchet, almost full shield with a little doubling and nice complete cross, some hairlines on reverse.Pedigreed to the Arturo Rosenheim collection.From: Shield Type
($150-220)