Watch List notes:

Lot of 14 Potosi, Bolivia, cob 1/2R of Philip III and IV, assayers T or not visible. 19.86 grams total. An advanced study collection (all but two in original envelopes with handwritten attributions, no duplicates), some holed, one a contemporary counterfeit, AVF on average, ALL nicely toned and with full (or nearly so) monograms and/or crosses. One pedigreed to the Paul Karon collection (Ponterio, March 1990, lot #1051).

Estimate: $600 - 900