A VERY UNUSUAL JEWELLED AND VARI-COLOURED GOLD STICK-PIN, the finial formed as a harp with flat-cut diamond in the centre etched with the strings, the column chased in yellow gold with the head of an ibex and with diamond, rose-cut diamond and red gold foliage frame, circa 1870, maker's initials JC in a lozenge, with French restricted warranty mark for gold