The International Stamp Exhibition in Philadelphia 1976
Näytetään: Portugali - Postimaksumerkit - 1976 - The International Stamp Exhibition in Philadelphia - 3 postimerkit.
1976
The International Stamp Exhibition in Philadelphia
29. toukokuu VM: Ei mitään Arkkikoko: 100 Design: Serviços Artísticos dos CTT Kaiverrus: Litografia Nacional Perforaatio: 14½
![[The International Stamp Exhibition in Philadelphia, tyyppi UP]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/UP-s.jpg)
![[The International Stamp Exhibition in Philadelphia, tyyppi UQ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/UQ-s.jpg)
![[The International Stamp Exhibition in Philadelphia, tyyppi UR]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/UR-s.jpg)
