Watch List notes:

MEXICO, Estados Unidos Mexicanos. 1905-pres. Æ Medal (39mm, 22.64 g, 12h). 50th Anniversary of the Banco Nacional de Mexico. Ciudad de México (Mexico City) mint. Dually dated 1894 and 1934. European sailors on ship; to right, winged cadueceus and shield reading BANCO/ NACIONAL/ DE/ MEXICO; in exergue, 50O ANIVERSARIO/ 1884-1934 / View of the bank; below, crossed branches and enclosure. Grove B85b. Brown surfaces, small die break. EF.

This medal would come to be used as a service medal for bank employees.