Slovenien
Viser nu Slovenien - Post frimærker (1991 - 2024) - 1 frimærker.
2013
Postojna Cave - Underground Post Office
22. marts VM: Ingen Arkstørrelse: 1 Design: Matjaž Učakar Gravering: (Design: Matjaž Učakar et Rudolf Bruner Dvoȓak) (Perforation: 14 x 13¼) Perforeringer: 14 x 13
![[Postojna Cave - Underground Post Office, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Slovenia/Postage-stamps/0831-b.jpg)
