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Perforation: Harrow Perforation type: 11 ¾x11 ½
Subject:
3.75 zloty. The rich green landscape with a wind generator.
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Perforation type: 11 ¾x11 ½
Subject:
1.75 zloty. Collage of images of wildlife and modern architecture, which include hydroelectric power plants.
Renewable energy resources
Poland 2014.09.29
In issue: Stamp(s): 4
Printing: rotogravure
Issued in: sheets of 8 stamps (2 series)