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The numbering in brackets below the main one is taken from the Catalog of Bulgarian Postal Entities, Part II, covers with Tax Mark (1953-1961) by Bulphila Publishing House and the Michel Catalog. |
| 2021 year. | Detailed full catalog for 2022 year. | 2023 year. |
| BC number(s): p20221, "Europe 2022 – Stories and Myths" - an illustrated envelope with an original postal service price sign and a special postal stamp. |
| 2021 year. | Detailed full catalog for 2022 year. | 2023 year. |
