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| 1910 year. | Detailed full catalog for 1911 year. | 1912 year. |
| BC number(s): 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 90K1, "Regular - 50 years since the birth of Tsar Ferdinand I ("Views and Portraits") - twelve postage stamps. |
| 1910 year. | Detailed full catalog for 1911 year. | 1912 year. |
