I'm wondering if anyone can give me some information on this platter it measures 16 in x 11 3/4 in. The plating is worn through in places and it has scratches. It says on back in very faint letters Rockford S Co. 1875 and below that is the number 11552. What I've be able to find out about the Co, is this could date back to the early 1920's but I'm not sure sothat is why I've come again to the experts. I would like to the know the age of the item and the value if any being it is silverplated. Thank you