SWITZERLAND 1935, June 7, 1935 Zucker flight Bodensee-Rheineck (Hopferwieser GZ-015a +b)SWITZERLAND 1935, JULY 27, 1935 1st Swiss Rocket Flight Säntis (Hopferwieser GZ-06b) (Copy)

SWITZERLAND 1935, June 7, 1935 Zucker flight Bodensee-Rheineck (Hopferwieser GZ-015a +b) with perforated red vignette stamped "ZUCKER RAKETE SAENTIS FLUG 27.JULI.1935"  cover with Imperf violet vignette and white pre-printed card with printed vignette, (and showing Explosion of Rocket on back) each with a Swiss postage stamp bearing the cancellation "RHEINECK 7.VI.35" and a violet or red cancellation "From board the motor yacht Silberhecht Lindau-Bodensee" and the handwritten signature of G. Zucker. F- VF condition. Only 20 copies of the card issued. Hopferwieser 600 Euros.