I am new to collecting knives & have been concentration on the Case Yellow Handled Knives. I recently came upon a mint Senator Knife (3201 SS) 1973 vintage (see the photo below). I have been unable to find the value of this knife. Can anyone out there help me? While I am at it... Is there such a thing as a complete listing of all the knife patterns that were made specific to a handle material? I have been able to come up with a few patterns that have been discontinued, but a listing of some sort would be a great resource to have.