International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria 1979
Şimdi gösteriyor: Vietnam - Posta pulları - 1979 - International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria - 2 pullar.
Şimdi gösteriyor: Vietnam - Posta pulları - 1979 - International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria - 2 pullar.
![[International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria, tip ER]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/ER-s.jpg)
![[International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria, tip ER1]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/ER1-s.jpg)
