A NORTH ITALIAN EMBRIACHI BONE CASKET, the sides with twenty-two bone reliefs each carved with two figures, further reliefs carved with trees, fluted pillars at the corners, the whole within alla certosina intarsia frame, the lid with bronze handle with acorn terminals and traces of gilding and a zig-zag band of bone and horn (the wooden core renewed; restorations to bone and intarsia; later key), partly 15th Century