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| 2017 year. | 2019 year. |
 | 20.03.2018 - "140 Years of the Russo-Turkish War of Liberation, joint publication Republic of Bulgaria – Russian Federation" – two postage stamps in a block and a special postal stamp. Artist: Kristina Borisova. BK number: 5342. Printing: unknown,
| .jpg) | 17.04.2018 - "900 years since the establishment of the medieval Order of the Templars" – one postage stamp in a block and a special postal stamp. Artist: Yasen Gyuzelev. BK number: 5343. Printing: unknown,
|  | 25.04.2018 - "Europe 2018 - Bridges" - two postage stamps and a special postal stamp. Artist: Maya Cholakova. BK number: 5345-5346. Printing: unknown,
|  | 25.04.2018 - "Europe 2018 - Bridges" - two postage stamps in a block and a special postal stamp. Artist: Maya Cholakova. BK number: 5347-5348. Printing: unknown,
|  | 05.06.2018 - "30 years since the space flight of Alexander Alexandrov on the orbital complex "Mir" - one postage stamp in a block and a special postal stamp. Artist: Emil Hristov. BK number: 5355. Printing: unknown,
|  | 26.09.2018 - "Transportt" – four postage stamps and a special postal stamp. Artist: Maglena Konstantinova. BK number: 5361-5364. Printing: unknown,
|  | 26.09.2018 - "Transportt" – four postage stamps and a special postal stamp. Artist: Maglena Konstantinova. BK number: 5361-5364. Printing: unknown,
|  | 19.10.2018 - "Fauna – extinct species" – four postage stamps and a special postal stamp. Artist: Deya Valcheva. BK number: 5366-5369. Printing: unknown,
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| 2017 year. | 2019 year. |
