Antique French, Art Nouveau Gold & Diamond Cufflinks

A pair of French, Art Nouveau, gold, enamel and diamond cufflinks, with an old-cut diamond in each centre, in a milegrain edged, rub over, setting, within a cream enamelled concave square, surrounded by foliate motifs, mounted in yellow gold, circa 1895, with carabiner links, with French eagle marks for 18ct gold.