Τώρα εμφανίζεται Βουλγαρία - Γραμματόσημα (1930 - 1939) - 3 Γραμματόσημα.
1932
Exhibition of Airmail Postage Strasbourg - Airplane over City
9. Μάιος WM: Κανένα Διάτρηση: 11½
![[Exhibition of Airmail Postage Strasbourg - Airplane over City, τύπος DK]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/DK-s.jpg)
![[Exhibition of Airmail Postage Strasbourg - Airplane over City, τύπος DK1]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/DK1-s.jpg)
![[Exhibition of Airmail Postage Strasbourg - Airplane over City, τύπος DK2]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/DK2-s.jpg)
