Deakin & Francis Sterling Silver Enamel Bi Plane Cufflinks C1754S0107. These sterling silver Bi Plane Cufflinks have red and blue detailed hand-enamelling on the wings and feature fantastic propellers that rotate with the flick of a finger! They are sold complete with Deakin & Francis hallmarks and packaged in a unique Deakin & Francis cufflink box and giftbag.