Βουλγαρία
Τώρα εμφανίζεται Βουλγαρία - Γραμματόσημα (1879 - 2024) - 2 Γραμματόσημα.
1978
International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps
30. Δεκέμβριος WM: Κανένα Διάτρηση: 13
![[International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps, τύπος ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/2756-b.jpg)
1978
International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps
30. Δεκέμβριος WM: Κανένα Διάτρηση: 13
![[International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps, τύπος ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/2756A-b.jpg)
