Watch List notes:

Potosi, Bolivia, cob 1/4 real, Philip II, assayer R (Rincon) to left, mintmark P to right, rare. S-P1; Janson-6.1.1.; KM-A1; CT-763 (under Lima). 0.80 gram. Full inner details and much legend, including full king's name, nicely toned VF, rarer R-P variety (missing in Sellschopp).

Estimate: $1000