Potosi, Bolivia, cob 1/2 real, Philip III, assayer Q/C to left, rare. S-P16; KM-unl (type 6.1). 1.50 grams. Bold full monogram with bold Q to left with traces of C peeking through (no mintmark), full cross, VF with toned fields. Pedigreed to our Auction #16, with original lot-tag #596. (Estimate: $125 - 200)