An early 20th century French gold and amethyst, pectoral cross pendant by Mellerio, the Latin cross with central collet-set heart-shaped amethyst, the arms of pieced foliate design, the reverse with central hinged locket compartment engraved 'St Thomas D'aquin, Mars 1936, signed Mellerio, Rue de la Paix, Paris, Madrid, French assay marks, length including pendant loop, 11.5cm, gross weight approximately 84.8 grams.Overall good condition with minor abrasions and scratches commensurate with age and use, French assay marks for 18-carat gold, amethyst deep purple with good clarity, gross weight approximately 84.8 grams.