By looking, is this a model that I am not aware of, considering the price?
http://cgi.ebay.com/1973-case-224-r...-condition-/110562377404?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item19be07febc
http://cgi.ebay.com/1973-case-224-r...-condition-/110562377404?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item19be07febc