The Mexico 1 Peso banknote is part of the 1937-1950 Third Issues. The obverse side shows an Aztec calendar. Meanwhile, its reverse side bears a bank seal, an angel atop MONUMENTO A LA INDEPENDENCIA (Independence Monument in Mexico City), and a bank guilloche. It has green, black, and red colors and it measures 157 x 67 mm. This banknote is from Series BIN. It does not bear any security thread and does not use any watermark for security.