The mark “925 MM Hechoenmexico DF Sanborns” appears on sterling silver items made in Mexico for the department store Sanborns, a well-known retailer with a long history of offering fine silver. The “925” confirms the piece is made of sterling silver, while “MM” likely refers to the silversmith or workshop. “Hecho en Mexico DF” translates to “Made in Mexico, Federal District,” indicating the piece was produced in Mexico City. Sanborns frequently commissioned silver from skilled Mexican artisans, and this mark ties the piece to that tradition. It serves as both a quality assurance stamp and a reference point for origin, maker, and retail affiliation.