Boucheron Paris Gold, Platinum, Ruby and Diamond Feather Clip-Brooch 18 kt., the overlapping pierced feathers centering tapered veins of single-cut diamonds and rectangular-cut rubies, cinched with a stepped platinum sash of transitional and single-cut diamonds, the stems of single-cut diamonds and rectangular-cut rubies, diamonds ap. .75 ct., signed Boucheron, Paris, with French assay marks, circa 1940, ap. 18.6 dwts. C Estate of an Italian Philanthropic Family