Potosi, Bolivia, cob 4 reales, Philip II, assayer M below mintmark P to left, rare, PCGS XF details / corrosion removed, ex-Pat Johnson, ex-"Americas" Collection. S-P2; KM-4.2; Cal-520. 13.07 grams. Nearly full crown and legends including D,G,ISPANIARVM without H, full interior details with especially bold P-M to left and denomination o-iiii to right, the obverse nicely toned in crevices but the reverse more oxidized with dark patches, desirable pedigrees. Pedigreed to the Pat Johnson Collection (stated on label) and to the "Americas" Collection (Kagin's auction of August 1983, with original lot-tag 1011).
Estimate: 350 - 500 USD