Silver and 18K gold (750 ‰) rectangular brooch formed of interlocking quadrangular motifs, two of which are set with cushion-shaped, old-cut diamonds, the third embellished with a synthetic colorless stone, in an asymmetrical network of lines set with rose-cut diamonds. Work of the 1930s. Dimensions : 4,3 x 2,5 cm approximately. Gross weight: 18.8 g (shocks)