MEXICO, Colonial. Felipe III, king of Spain, 1598-1621. Cob 4 Reales (Silver, 30 mm, 13.50 g, 10 h), Ciudad de México (Mexico City), 1610-1618. [PHILIPPVS•III•]DE[I•G•16]1[?] Crowned coat of arms; mintmark o/M above assayer's mark F in left field, value [4] in right field. Rev. [HISPANIARVM E]T [INDIARVM REX] Coat of arms. Calicó 754. KM 37.2. Nicely toned and with a legible mintmark. The usual areas of weakness, some scratches and minor flan cracks, otherwise, very fine.