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These semi-offical forerunners of airmail stamps were issued for the Poznań Trade Fair in 1921. The Aerotarg company had an agreement with the Polish Ministry of Postage & Telegraphy. In addition to the normal postage rate there would be an additional payment for airmail by using these stamps. Below each stamp was an advertising label, inscribed T.A.B.R.O.M.I.K., for the vodka factory TAdeusz BROnisław MIKołajczyk.
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Icarus against the silhouette of Poznań Junker F 13 plane dropping mail over Poznań |
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Labels attached on top only
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L1 and L2 on mail

Cancellation of L1

Cancellation of L2

Misperforation of L2

Misperforation of L2