Deakin & Francis Cufflinks Sterling Silver Lime Green Nitric Blue Enamel L0765S6458. Here at Deakin & Francis we are masters in the art of vitreous enamelling, dating back to the Pharaohs, this is a highly specialised, hand skill. These Sterling Silver oval cufflinks have been attractively hand enamelled in a striking lime green and bright nitric blue enamel, classic with a colourful twist. With a small domed oval spring link fitting and a full set of Deakin & Francis hallmarks for authenticity, these are true, classic cufflinks to last a lifetime.