I just came into and received a "Williams Hudson 4-6-4" Engine and coal tender.  It is Gold plated I believe or solid brass, it weighs a ton; and I believe it is O gauge.  I can not find any information on it.  Does anyone have any information, value or links I can go to on this.  It seems to be rare because most of the collection I have received is rare, I have been able to find info on all the other engines and sets (AF, Lionel etc.) and most are from the 50's and are collector sets.  I believe this to be from the 50's also.  Any help would be great.