Treasure Chest Thursday-Frances' Locket

This is one of my favorite things.  It was a pendant my grandmother owned and it was given to me when all the odds and ends of their household were being cleaned up after my grandfather died.  I don't know the story behind it, but there is a photo of my grandmother, Frances, on one side and my grandfather, Riley on the other.  It unscrews at the top to slide in the photos between two half-spheres of glass.