Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip III, assayer F (pre-1607). S-M12a; KM-37.1; Cal-745. 13.73 grams. Scarce early-Philip III issue with bottom of king's ordinal partially visible. AU with very nice full cross and clear assayer, minor hairlines on reverse, natural edge-crack at 4 o'clock.

Estimate: $125 - $200