GERMANY, 1933, August 31 Zucker Herta Rocket Flight. Nice group of 3 covers: two pre-printed enveloppes and a postcard (Hopferwieser GZ-01b)GERMANY, 1931, April 15 Tiling Rocket Flight (E-Z 1C1; Hopferwieser RT-01) (Copy)

GERMANY, 1933, August 31 Zucker Herta Rocket Flight. Nice group of 3 covers: two pre-printed enveloppes and a postcard (Hopferwieser GZ-01b) with vignettes  1 Mark Black, 1 Mark Green and 3 on 1 Mark, each tied by handstamp  "August 31, 1933"  and with illustrate handstamps in red.  Franked by 3pf or 4pf Hinderburg tied by Stiege August 31, 1933 circular date stamp. Signed G. Zucker.  Handstamp "3 Mark rocket fee paid." All addressed to Hamburg and VF condition, rare.  Hopferwieser 380 x 3 = 1140