Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II, assayer F/O below mintmark oM to left, denomination o-IIII to right, rare. S-M12; KM-unl (36 for type); Cal-unl. 13.61 grams. Nice AU with some strike difficulties but the areas that are struck up are well detailed, rare type with assayer F/O to left of shield, full cross visible.
($150-225)