Looks like the Plane sold for $775,000 recently http://www.air1st.com/aircraft-sales/turboprops/124-1984-mu-2b-60-s-n-1562sa-n1164f.html the title has change a few times https://registry.faa.gov/aircraftinquiry/Document_Results.aspx?colltxt=1164F&partytxt=&PageNo=1 https://flightaware.com/resources/registration/N1164F