BELLE BROCHE PLAQUE À TRANSFORMATIONS in white gold (750) and platinum (850) of rectangular shape with cut angles, the short sides adorned with removable geometric motifs that can be worn as a jabot pin, with an openwork design entirely paved with old-cut, eight-cut or baguette-cut diamonds in a grained or closed setting. The center is adorned with a white cultured pearl with a slight button, set in a hexagonal circle of baguette-cut diamonds and flanked by two arrowhead-cut diamonds in a closed setting. White gold (750) pins. Circa 1925. Eagle head and dog head hallmarks. Gross weight: 17.0 g. - Size: 5.8 x 2.2 cm. Small chips.