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| 1926 year. | Detailed full catalog for 1927 year. | 1928 year. |
| BC number(s): 212, 213, 214, 215, "Regular - "Lions". - four postage stamps. |
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| BC number(s): 216, 217, "Overprints for air mail" - 1 BGN red overprint on 6 BGN BC 207, blue overprint on 4 BGN BC 206 - two postage stamps. |
| 1926 year. | Detailed full catalog for 1927 year. | 1928 year. |
