Refined Art Deco "bar" brooch, with a hexagonal profile, in 18-carat white gold (hallmarked 750) with approximately 0.30 carats of natural diamonds (including the central one of approximately 0.20) and two small natural sea pearls.
It measures 5.8 cm in length.
It bears the rare hallmark, with a rhombus frame, of the "Fascio Littorio" (used in Italy between 1935 and 1944), certifying that it was produced in the province of Alessandria by the Valenza goldsmith Carlo Illario, active from May 20, 1935.