TYPE: AP7
ISSUED: June 20, 1933
PROCESS: Photogravure by the National Printing Works at Budapest.
PERF.: 15.
PAPER: Watermarked double cross on pyramid.
DESIGNER: Franz Helbig
PICTURE: Monoplane over Danube valley.
NOTE: Exists imperf.
TYPE: AP7
ISSUED: June 20, 1933
PROCESS: Photogravure by the National Printing Works at Budapest.
PERF.: 15.
PAPER: Watermarked double cross on pyramid.
DESIGNER: Franz Helbig
PICTURE: Monoplane over Danube valley.
NOTE: Exists imperf.