Vinaigrette Locket Bar Pin Antique

This antique gold filled bar pin has a hanging pendant that is a locket or vinaigrette for perfume...or for a lock of hair. It opens in the back. Prong set hand painted limoges is in great condition. Painting is of an 18th C. man in a violet coat. The leaf design of this piece has yellow, green and rose gold. There may have been a leaf in the lower right of the pendant. Pin measures 2 1/4" W x 1"T. Locket measures 1 3/4"L by 1 1/8" W. The pin and locket is 2 3/8" L. It has a tube hinge and the clasp is a locking clasp. Has some tarnish. It weighs 17.1 grams.