Michel 1174 - 40 years of broadcasting in Austria, first day cover, special cancellation, postmark

Austrian first day cover with stamp Michel 1174 - "40 Jahre Rundfunk in Österreich" on decorative envelope from 1964, special cancellation "Österreichischer Rundfunk 1924 - 1964", small postmark "Wien 101 1.10.1964 - 10"