1572-Mo O NGC XF 45 Mexico 1 Real Philip II Spain Colonial Silver Coin (24102201D)Extremely Fine Mexico Shield type Colonial Spain silver 1 real coin Struck between 1572 to 1589 for King Philip II at the Mexico City Mint (mint mark Mo), assayer O. Catalog: Calico 224, approx 25mm, 3. 14g. Nearly full readable legends, very rare as such for this denomination! Certified by NGC to XF 45. Obverse: PHILIPPVS II DEI GRATIA, integrated crowned arms of Spain (Castile and Leon, two Sicilies and Aragon, House of Austria, Burgundy, Flanders,