HISTORICAL BRACELET In three supple lines of woven yellow gold passementerie, centred on three cameos carved in sardonyx depicting King George III of Great Britain, Emperor Alexander I of Russia and Princess Charlotte of Great Britain, alternating with the Imperial Crown of Russia and the Royal Crown of Great Britain. It is a souvenir of Tsar Alexander I's official visit to London in 1814. United Kingdom, early 19th century. An 18k gold and cameo bracelet, representing a souvenir of Tsar Alexander I's official visit to London in 1814. RC : Length: 17.5 cm approx. Gross weight: 37.3 g (18k - 750).