Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer B, rare. S-P14a; KM-10; CT-121. 26.89 grams. Choice full shield and cross-lions-castles, bold P-B, VF with toning on fields, slight doubling and somewhat crude edge (as made), king's ordinal III visible in legend. (Estimate: $200 - 300)