MEXICO. Cob 8 Reales, ND (1618-21)-Mo D. Mexico City Mint. Philip III. NGC VF-30.KM-44.3; Cal-Type-162. Weight: 27.48 gms. Date not visible but mintmark and assayer initial are clear. A wholesome, gray-toned Cob, sharply struck, with a great deal of central detail visible.