Boucheron, an enamel and diamond brooch, mid 20th century, of twisted design, pavé-set with
Boucheron, an enamel and diamond brooch, mid 20th century, of twisted design, pavé-set with brilliant-cut diamonds and applied with green guilloché enamel within textured gold borders, length 9.1cm, signed Boucheron Paris, numbered 18404, French assay mark for 18ct gold to pin, fitted case stamped Boucheron