UN Viin
Praegu kuvatakse: UN Viin - postmargid (1979 - 2024) - 1 margid.
1997
The 25th Anniversary of the UNESCO World Heritage Convention
19. november WM: mitte ükski lehe suurus: 20 perforatsioon: 13½
![[The 25th Anniversary of the UNESCO World Heritage Convention, Tüüp IA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/IA-s.jpg)
![[The 25th Anniversary of the UNESCO World Heritage Convention, Tüüp IB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/IB-s.jpg)
