MEXICO, Colonial. Carlos IV, king of Spain, 1788-1808. 8 Reales 1799 (Silver, 39 mm, 26.90 g, 12 h), Mexico City. CAROLUS IIII DEI GRATIA Laureate and cuirassed bust of Charles IV to right, 1799 below. Rev. HISPAN ET IND REX Mo 8 R F M Crowned arms between the Pillars of Hercules. KM 109. Six Chinese chop marks, otherwise, very fine.