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| 1930 year. | Detailed full catalog for 1931 year. | 1932 year. |
| BC number(s): 240, 241, 242, 243, 244, 245, 246, 247, 248, "Regular - Tsar Boris III." - eight postage stamps. |
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| BC number(s): 249, 250, 251, 252, 253, 254, 255, "Balkan Games - Sofia." - seven postage stamps. |
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| BC number(s): 256, 257, 258, 259, 260, 261, 262, " Air mail - regular " Big Pigeon ". - seven postage stamps. |
| 1930 year. | Detailed full catalog for 1931 year. | 1932 year. |
