1823, Mexico, Emperor Agustin Iturbide. Large Silver 8 Reales Coin. Mint Year: 1823 Denomination: 8 Reales Mint Mark: Mo (Mexico Mint). Assayer: Joaquin Davila Madrid (JM) Reference: 1822-Mo/JM, KM-310. Rare! Material: Silver (.903) Weight: 27.06gm Diameter: 39mm Obverse: Head of Agustin Iturbide as Emperor of Mexico right. Legend: AUGUSTINUS DEI PROVIDENTIA . Mo (in monogram) . 1823 ...