AN IMPORTANT ANTIQUE SAPPHIRE AND DIAMOND TIARA, CIRCA 1800. Octagonal step-cut and oval-shaped sapphires, rose and old-cut diamonds, gold, circa 1800, 49.0 cm, black fitted case SSEF, 2021, report no. 116369: 11 sapphires, Ceylon, no heat Provenance: Thence by descent William, Prince of Hohenzollern (1864-1927), Leopold, Prince of Hohenzollern (1835-1905), Josephine Friederike Louise of Baden (1813-1900), Stéphanie Louise Adrienne de Beauharnais (1789-1860).