Potosi, Bolivia, cob 4 reales, Philip III, assayer M, ex-Karon. S-P18; KM-9; CT-242. 13.36 grams. Bold full cross, full but slightly off-center shield with bold full P-dot-M, richly toned VF+, desirable pedigree. Pedigreed to the Paul Karon collection (Ponterio, March 1990, lot #322).
Estimate: $150 - 225