I have a family serving tray - fairly small (13.5" X 9.5"). It has four feet on the bottom and a ‘MM’ marking on the back of the tray #EPNS 3351. It is badly worn, but still usable. I am interested in having it re-silvered, but am not sure if it’s a good idea or not. I will post photos too. Any information or help will be greatly appreciated. I will try to resize the photo.