Framed Hardstone Panel; Unknown; Florence, Italy, Tuscany, Europe; about 1970; hardware and ancient stone 17th century; Frames: ebony; Panels: Cipollino marble in the center surrounded by (clockwise from the top) alabaster a pecorelle, granite orbicolare di Corsica or Napoleonico, breccia corallina, occhio di pavone marble (? ), breccia corallina rosata, lumachellone antico marble, alabaster a pecorelle, and castracane antico marble; Object: Diam. : 77. 5 cm (Diam. : 30 1/2 in. )