2021-12-30 120 years since the launch of the first tram in Sofia format 83x89 mm; perf. 13 1/4:13;
	2021-12-30 Fauna - Game format 45x25 mm; perf. 13:13; sheet 3x3;
2021-12-30 Fauna - Game s/s format 147x84 mm; perf. 13:13;
	2021-12-30 Fauna - Game imperf s/s format 147x87 mm;
2021-12-30 Culture and art format 25x50 mm; perf. 13:13 1/4; sheet 8x5;
	2021-12-17 30 years since the founding of the Atlantic Club in Bulgaria format 39x28.5 mm;
2021-12-16 Bulgarian scientists format 50x25 mm; perf. 13 1/4:13; sheet 8x5;
	2021-12-14 40 years National Donation Fund 13th century Bulgaria format 25x50 mm; perf. 13:13 1/4; sheet 8x5;
2021-12-13 125th anniversary of the National Academy of Arts format 25x50 mm; perf. 13:13 1/4; sheet 8x5;
	2021-12-11 Bulcollecto 2021 - Chinese year of the tiger 2022 perf. 13:13 ;
2021-12-01 Supreme Administrative Court format 40x25 mm; perf. 13 1/4:13; sheet 8x5;