Wonderful old locket with a double sided glass. The toip unscrews and the glass cones out. I m not sure what the metal is around the locket, it could be gold fill or gold, I have not had it tested. There is blue watered silk under the glass at the present, just waiting for a picture or a memento. It is 1 5/8 inches long exclusive of the screwtop bale, and 1 1/4 inches wide.