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The numbering in brackets below the main one is taken from the Catalog of Bulgarian Postal Entities, Part I, Postcards (1879-2007) by Bulphila Publishing House and the Michel Catalog. |
| 1920 year. | Detailed full catalog for 1921 year. | 1922 year. |
| BC number(s): k19211 (PC 52 a), "Postal card" |
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| BC number(s): k19212 (PC 52 b), "Postal card" |
|
| BC number(s): k19213 (PC 52 c), "Postal card" |
| 1920 year. | Detailed full catalog for 1921 year. | 1922 year. |
