I think that the first letters in the mark are something D on top and W.D. on the bottom...
This is a little intricate silver box.. totally in relief except for the bottom of the box which is flat.
https://picasaweb.google.com/lh/photo/PZiy5Xi8I1to9grQd2XY26R3FOG9ZA9-L9n2SqIXfpI?feat=directlink
https://picasaweb.google.com/102571020775024180250/SilverMarkUnknown?authuser=0&feat=directlink