This uncirculated 20 Mexican peso note is part of the CW series issued by Bank of Mexico in 1977. It is dated 8 July 1977 and signed by Alfonso Romo. Its obverse side features the military leader Jose Maria Morelos and the Colegio de San Nicolas de Valladolid. Its reverse side shows the Piramide de Quetzalcoatl in Teotihuacan, a snake, bank guilloches, and the bank seal. Though the note does not have a security thread or a watermark, it has a stylized bow and arrow registration device and dimensions of 157 mm x 67 mm. The details of this note have been verified and TAP Authenticated by Banknote World experts.