Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
CZECHOSLOVAKIA
First Air Post issue
Lot # 67 | P | Scott # C1-3
| 1920, four proof Airplane surcharges over Hradcany stamps, double red of 14k on 200h ultra, inverted red of 14k on 500h red brown, double blue 24k on 500h red brown, all of those printed on greenish paper, in addition green of 28k on 1000h violet, printed on cream paper, all are without gum as issued, VF and very rare, expertized by Dr. Fischmeister and others . |