Vintage knot ring in 18 karats white and yellow gold. The ring is composed of fine intersecting gadroons featuring a knot in the center. Vintage ring of the 1990s.
Silver Art Deco ring. Ring decorated with an important synthetic spinel of intense light blue color. The ring has geometric and round lines, it has a typical volume of this period. Art Deco ring, circa 1930.
Swan hallmark (French State hallmark for 18-karat gold)