Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II, assayer O below mintmark oM to left. S-M11; KM-36; Cal-505. 13.62 grams. Toned AU- with choice (well-detailed) full cross-lions-castles and shield, nearly full crown, much bold legend, some scuffing in peripheries hiding a neatly plugged hole.
($200-300)