"Mater Dei", 1916. Frame with wooden quadrangular body entirely covered with grey pearl shaved velvet integrating in central part an ivory medallion with circular body. Finely carved medallion decorated with a virgin with a child embedded in a polychrome silver enamelled mount, decorated with rinceaux and flowers, incorporating two opal cabochons. In its original case labeled Armand-Calliate Goldsmith Son in Lyon. Signed and titrated on ivory, punches of master and material on the mount and dated 10 June 1916 on a silver plate encased at the bottom of the frame. 15.5 x 18 cm - Gross weight: 456 g. Accompanied by its CIC No. FR2606900159-K