Watch List notes:

Potosi, Bolivia, cob 1 real, Philip III, assayer T ABOVE mintmark P to right (ca. 1620), quadrants of cross transposed, very rare. S-P21; KM-unl. 3.42 grams. Very bold T-P instead of P-T (see lot 947 above for a 2R of this same variety), small flan with nice little cross, incomplete shield, VF with dark toning in crevices. (Estimate: $100 - 150)