Antique King of Italy Enamel Diamond Pin

An antique 18 karat yellow gold, enamel and diamond pin. Circa 1880. Previously the property of King Vittorio Emanuele III of Savoy. Set with an oval royal blue enamel plaque, centering the crest and knot of the House of Savoy. Within an old cut diamond and gold bead surround. Length is approximately 2 ½ inches. With original purple fitted case, with the initials V.E. and the crest of the Royal House of Savoy.