The gold knot between thae arms of the cross is a gold Savoyan knot. Savoy was one of the Italian States included in the process of Italian unification. Similarly, the crown is a Lombard Iron Crown, noit to be confused with the Austrian order of the Iron crown.
Perhaps you can make a comment about varying types of suspensions. There were a wide variety of silver fitted suspensions added. The original iron ring used to rust and cause discoloration on tunics!