Mexico, 12 x 8 Real KM 377.4. As well the years: 1826 DO RL, 1828 RL, 1838 RM, 1870 airmail, 1879 TB, 1885 maltese cross, 1888 maltese cross, 1891 JP, 1892 reprints, 1893 reprints, 1894 reprints and 1895 reprints. Condition mixed.