Keywords: Poland 1921 Aero-Targ II.JPG Aero-Targ Company in agreement with the Polish Ministry of Post Telegraph Aero-Targ stamps had to be bought for airmail in addition to the normal express postage rate payable by usage of regular Polish stamps The stamp was designed by Wilhelm Rudy initials W R on the stamps and crudely lithographed Perforated 11 25 but also known imperforated This 100 mark value shows a Junkers F-13 plane dropping mail over Poznan Attached to each stamp was an advertising label inscribed T A B R O M I K for vodka factory TAdeusz BROnislaw MIKolajczyk The first flights from Poznan to Gdansk and to Warsaw were on 29 May 1921 The first return flight from Warsaw to Poznan was on 31 May 1921 There were daily return flights until June 16 1921 A special winged postmark was used from May 29 to June 16 1921 at the Poznan Fair Flights Postmarks with dates after June 16 1921 are fake date Scan of original author PD-old Counterfeit stamps of Poland Philatelic fakes and forgeries Blue stamps |