1 + 1 Schilling to 5 + 5 Schilling Karl Renner, perforated, cancelled with a special postmark "750 JAHRE WIENER NEUSTADT 1196-1946 22. 9. / 46" on two blank wrappers. These extremely rare cancellations were only possible on September 21st and 22nd, 1946, excellent condition, unsigned, no valuation in Michel.