A GROUP OF TWENTY-TWO ITALIAN MICROMOSAICS AND PIETRA DURA PLAQUETTES, comprised of fifteen micro-mosaics, including two of carved ivory roundels inlaid with concentric circles and geometric starburst pattern--the largest 1¾ in. diam.; one oval plaquette inlaid with a floral bouquet--1½ in. long, 1 in. diam.; one of teardrop form inlaid with a ribbon-tied bouquet of cut-flowers--1½ in. long; and various assorted plaquettes inset with geometric pattern, flowers and birds, of varying shapes--the largest ¾ in. long; also including seven pietra dura plaquettes; one of oval shape inlaid in geometric pattern with griotte marble, vert maurin, white marble and black onyx--1¾ in. diam.; another of oval shape depicting a floral spray--¾ in. diam.; and various others depicting flowers and geometric pattern--the smallest 7/16 in. diam. (22)