I have a sterling tray 16.5" x 9.5" with the mark STERLING LOU()VRE STERLING 925 on it. Any help with the manufacturer would be appreciated. Not sure if it is american or not. Thanks! http://www.picfury.com/2e/louvre%20mark-1-th.jpg http://www.picfury.com/2e/louvre%20mark%202-1-th.jpg http...