Three Pietra Dura plaques, Italian, late 19th / early 20th C., all depict floral arrangements, the first a circular plaque with a rose, daisy and small blue flowers, carved hardstones including marble, turquoise, agate, etc., plaque: 5 ?” diam.; along with pink marble rose surrounded by agate foliage, plaque: 5 ½” h. x 3 ¼” w.; along with Pietra Dura plaque in deep frame, small bouquet with marble lilies and turquoise forget-me-nots, plaque: 3” h. x 4 ¼” w.; inset in black marble or slate ground, framed, wear consistent with age and use.