Watch List notes:

Potosi, Bolivia, cob 1/4 real, Philip II, assayer R (Rincon) to right. S-P1; KM-A0001; CT-764 (under Lima). 0.51 gram. Very choice specimen on a broad thin flan with full details on both sides (including legends), deeply toned XF+ with very slight surface porosity.

Estimate: $1250-2000