AN UNUSUAL FRENCH NEO-EGYPTIAN JEWELLED AND ENAMELLED GOLD STICK-PIN, the finial formed as the facing head and shoulders of Cleopatra (?) with jasper face and elaborate seated vulture headdress enamelled, in pink, green, blue and white and set with rose-cut diamonds, circa 1870, with maker's initials M.L. (?) in lozenge punch and restricted warranty mark for gold