A jabot pin in platinum (850 thousandths), forming an aigrette in a foliate scroll and sinuous volute design. It is set with a half-set square cushion-cut sapphire and entirely paved with old-cut and 8/8-cut diamonds. The pin is in white gold (750 thousandths). Circa 1905-1910. Sapphire weight: 4.50 carats approx. Gross weight: 10.4 g. - Length: 9.8 cm. Minor traces of restoration, chips.