MEXICO. Carlos and Johanna. 1516-1556. AR 4 reales. 13.72 gm. 29.5 mm. Late series. Mexico City. 1542-1555. Shield of arms; O Mo at sides; CAROLVS ET IOHANNA REGES around / Two crowned pillars; PLV SVL TRA across, waves below, 4 above; +HISPANIARVM ET INDIARVM around. KM 18. Cayon 2956. Near Very Fine; bright.