AUSTRIA SCHMIEDL 1933,  'V16' ROCKET MAIL FLIGHT. Sept. 27, 1933, on specially created tissue 3g vermilion stamped envelope, additionally franked with 1st rocket mail stamp tied by 'St. Jacob, Mixnitz, 27.IX.33' CDS, with purple rocket cachets. Very Fine, one of only 52 flown covers bearing this rocket post issue (EZ-19C1a