Dipl.-Ing.
Hopferwieser
Space Mail; Rocket Mail
Expert since:
1993
•
AIEP member since:
1998
GWP; Verein für Weltraumphilatelie; Space Unit
Untere Hauptstrasse 31
7501
Oberdorf (Bgl.)
Austria
Correspondence:
German, English, (Russian)
walterhopferwieser@gmail.com
+43 664 5022998
Personal reference collections:
Space mail (Soviet Union, Russia, world-wide); Rocket mail to 1944
Personal forgeries collections:
Rocket mail, Space mail
