Vintage Los Castillo Sterling & Inlay Face Cufflinks

This modernist design by famed Mexican silver designers Los Castillo are made of sterling silver with brass, sterling, onyx and turquoise inlay. 

These cufflinks measure approximately:  1" x 0.75", and are in good vintage condition, with wear consistent with age and use.

They are stamped with "Hecho en Mexico", "Los Castillo", "Onyx Negro" and "039p" (likely a design number).