50 Pesos Polymer 07/09/05 Pink/Yellow/Blue Chief Cashier Guillermo Güemez García Deputy Governor Valdes Ramons Front Value below Butterfly, Coat of arms, Portrait J M Morellos, Value above Catapillar in see through window Rev Value above Catapillar in see through window, Bank Seal, Butterflies in front of the De Morelia Mich Aquaduct, Value below Butterfly Serie B