GERMANY, 1933, August 31 Zucker Herta Rocket Flight. Pre-printed blue envelopped (Hopferwieser GZ-01b) with strip of 3 1 Mark Black, tied by handstamp "August 31, 1933" Illustrated handstamps in red. Franked by 4pf Hinderburg tied by Stiege August 31, 1933 circular date stamp. Signed G. Zucker. Hopferwieser 380 Euros.
