There is a 1953 C Shadow being offered at auction in Newburgh, NY on May 19, 2012 that is described as being in storage for 43 years. Engine #: F10AB/1B/9736, Frame #: RC11636, registration tag no. NGN 105. Any one know this bike? http://www.midamericaauctions.com/motorcycle/vincent/vincent-series-c-black-shadow/