COVER N.117 - POLAND

Postmark:  OKR WF COP 1936-1939  11.05.2022 Koszalin 1
Posted on the 11thy May; received on the 23rd May 2022
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Another beautiful cover hailing from Poland, with a nice connection to my theme of choice, aviation. Thank you so much, Roman!

Roman tells me that the special commemorative postmark was issued in connection with the Regional Philatelic exhibition "COP 1936 -1939" that could be visited between 11 -14 May in the Koszalin University of Technology.

The theme of the exhibition was the celebration of the creation and  importance of the Central Industry District during the Second Polish Republic (1918-1939) and also to highlight the role of the Polish defence industry in the 1936-39 period.

The connection between the Central Industry District and aviation is readily apparent in the  image of a Polish Air Force aircraft, (probably a PZL.37 Łoś medium bomber)  flying over working factories (one can tell it by the smoke coming out of the 3 chimneys 😀)

Stamps left to right:

5 Zł stamp, illustrated with the image of a rose, part of a definitive emmision themed on fruits and  flowers that was started in 2015. The stamp  with a rose was issued on 15SEP2015.

50 groz stamp, part of the same definitive emission, depicting a Coneflower (Centaurea cyanus), issued on 20JAN2016 (although the date on the stamp reads 2015).

2.60 Zł, self-adhesive stamp, part of a 5 stamp set of the same denomination dedicated to the armed forces of Poland, issued on the day of the centenary of the armistice of the "War to end all wars", 11NOV2018, This particular stamp is dedicated to the air force and  is illustrated with images of pilots wearing uniforms from the  1st and 2nd world wars.  The remaining stamps are dedicated to the Infantry; the Artillery and Cavalry; the Navy and the contemporary armed forces.