Banco Mercantil de Monterrey, 5-Pesos (5), 10-Pesos (4), 20, 50, 100-Pesos (P-S352a (2), S352Aa (2), S352Ab, S353a (2), S353Aa, S353Ab, S354A, S355a, S356A), last fine with small rust stain, a few others with slight damage, good to extremely fine (12) (lot)