Polen
Visar nu: Polen - Postfrimärken (1860 - 2024) - 1 frimärken.
1927
The 4th International Congress for Military Medicine and Pharmacy, Warsaw
27. maj WM: Inga storlek på arket: 50 Perforering: 11¾:11½
![[The 4th International Congress for Military Medicine and Pharmacy, Warsaw, Typ BY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BY-s.jpg)
![[The 4th International Congress for Military Medicine and Pharmacy, Warsaw, Typ BY1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BY1-s.jpg)
![[The 4th International Congress for Military Medicine and Pharmacy, Warsaw, Typ BY2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BY2-s.jpg)
