Flag of Bulgaria
A horizontal tricolour of white, green and red
- Bulgaria Exclusive
- First Release Feb 28, 2021
- 🇧🇬 Feb 28 → Mar 3 Annually
- 🇧🇬 Sep 19 → Sep 22 Annually
- 🇧🇬 Sep 3 → Sep 6 Annually
All Slowly stamps are hand-drawn by illustrators.
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