San Luis Potosi, 50-Centavos (26), 1870, O, 1870, G, 1871, O (2), 1872, O, 1873, O, 1873, H, 1874, H, 1875, H, 1876, H, 1877, H, 1878, H, 1879, H, 1880, H, 1881, H, 1882, H, 1883, H, 1884, H, 1885, C, 1885, H (3), 1886, C, 1886, R, 1887, B, 1887, R (all KM.407.7), Balance Pesos (13), 1870, S (2), 1870, O (3), 1870, G, 1871, O (3), 1872 (2), 1873, O, 1873, H (all KM.408.7), various defects, mixed condition, good to very fine (lot)