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| 1928 year. | Detailed full catalog for 1929 year. | 1930 year. |
| BC number(s): 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, "1000 years since the death of Tsar Simeon I and 50 years since the Liberation of Bulgaria. " - nine postage stamps. |
| 1928 year. | Detailed full catalog for 1929 year. | 1930 year. |
