Watch List notes:

Potosi, Bolivia, cob 2 reales, (1649) O/Z, dotted O, king's name as PHELIPVS, rare, ex-Mastalir. S-P35; KM-14b; Cal-unl. 6.69 grams. Choice broad flan with clear PHELI- of king's name in legend, 100% complete crown and shield and cross-lions-castles, full P-O to left (faint trace of under-assayer) and denomination z to right that appears to have been punched over a proper 2, deeply toned AXF with two edge-splits (one large, the other next to a spot of dark oxidation). Pedigreed to the Robert Mastalir Collection and plated on page 246 of Part A of his book The Great Transition at the Potosi Mint, 1649-1652: The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 (2021).

Estimate: $200 - $300