Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II, assayer O below denomination oIIII to right, mintmark oM to left. S-M11; KM-36; Cal-503. 12.78 grams. Broad flan with choice full crown and bold legends, also nice full shield and cross, full oM to left and O to right (denomination not visible), XF with contrasting toning on fields, traces of dark encrustation.
($200-350)