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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. |
| 1914 year. | Detailed full catalog for 1915 year. | 1916 year. |
| BC number(s): k19151 (PC 44), " Military postal card " |
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| BC number(s): k19152 (PC 45 I), "Postal card" |
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| BC number(s): k19153 (PC 45 II), Postcard (1916) |
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| BC number(s): k19154 (PC 45 III), Postcard (1916) |
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| BC number(s): k19155 (LC 7), " Card Letter " |
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| BC number(s): k19156 (LC 8), " Card Letter " |
| 1914 year. | Detailed full catalog for 1915 year. | 1916 year. |
