Watch List notes:

Lot of two Potosi, Bolivia, cob 1/2R, (1652E) Transitional, monogram-over-cross type, king's name in legend on both sides. S-P37. 2.88 grams total. Both richly toned VF, one with bold full monogram and off-center cross, the other with flat spots. (Estimate: $100 - 150)