Can you please help me date this piece? Tiffany & Co 17938A Makers Sterling M I believe that it was made under John C. Moore II, circa 1907-1947 http://aycu24.webshots.com/image/45943/2000371951769246257_th.jpg http://aycu13.webshots.com/image/45292/2003319945698188093_th.jpg This site and bulle...