I have a Small Silver Cup with a "Windsor" crest on it and the name Dyson Windsor (with a double 00) on the bottom.I don't know if this is a silver makers mark or not? Any help would be appreciated! Ken H. http://s32.postimg.org/c85976pwh/Dyson_B.jpg http://s32.postimg.org/as8wge5y9/Dyson_...