Bulgaria
Now showing: Bulgaria - Postage stamps (1879 - 2024) - 1 stamps.
1985
International Exhibition of the Works of Youth Inventors, Plovdiv
23. September WM: None Perforation: 13
![[International Exhibition of the Works of Youth Inventors, Plovdiv, type DRL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/DRL-s.jpg)
![[International Exhibition of the Works of Youth Inventors, Plovdiv, type DRM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/DRM-s.jpg)
![[International Exhibition of the Works of Youth Inventors, Plovdiv, type DRN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/DRN-s.jpg)
