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| 1940 year. | Detailed full catalog for 1941 year. | 1942 year. |
| BC number(s): 455, 456, 457, "65 years since the death of Hristo Botev." - three postage stamps. |
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| BC number(s): 458, 459, 460, "Architectural Achievements" - three postage stamps. |
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| BC number(s): 461, 462, 463, 464, 465, "United Bulgaria - Accession of Macedonia, Thrace and Moravia." - five postage stamps. |
| 1940 year. | Detailed full catalog for 1941 year. | 1942 year. |
