This item is a Butler Serving Tray Silver Plate Stamp Crown CC 21 1/4" Long Flower Rim . This item is back stamp, appears to be a Crown with CC in the center, another symbol, and a P or D I could not make it out. This tray is heavy. This item is 21 1/4 inches long and 13 1/4 inches wide.  Has wear from age and use. Does need cleaning. I am not sure who the maker is please look at pictures 9 for that info. If anyone knows who the maker is please let me know I would truly appreciate it that. A lovely Butler Serving Tray Silver Plate Stamp Crown CC 21 1/4" Long Flower Rim for your Collection, Display, Parties, and Use.