The 23rd National Philatelic Exhibition 2023
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2023
The 23rd National Philatelic Exhibition
22. September WM: None Design: Agnieszka Sancewicz Engraving: Polska Wytwórnia Papierów Wartościowych. Perforation: 14
![[The 23rd National Philatelic Exhibition, type JUV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/JUV-s.jpg)
