🏷 Issued on 18 May
15 emission groups throughout the years
📅 1967
1 series
Congress emblem.
📅 18 May 1967
Stamp
1 pcs.
1773
📅 1979
2 series
The postage stamp from block 2506, the first Bulgarian postage stamp of 5 centimes, the emblem of the exhibition, the coat of arms of Sofia.
📅 18 May 1979
Block
1 pcs.
2849
The postage stamp from block 2506, the first Bulgarian postage stamp of 5 centimes, the emblem of the exhibition, the coat of arms of Sofia.
📅 18 May 1979
Block
1 pcs.
2849A
📅 1981
1 series
"XXXIV Congress of the National Academy of Sciences." - three postage stamps.
📅 18 May 1981
Stamp
3 pcs.
3046
3047
3048
📅 1999
5 series
4398
4399
4400
4401
"Foreign Culture and Art - 200 Years of the Birth of Honore de Balzac" - illustrated postal envelope with standard postal service price mark.
📅 18 May 1999
Postal Cover
1 pcs.
p199911
"Foreign Culture and Art - 250 Years of the Birth of Johann Wolfgang von Goethe" - illustrated postal envelope with standard postal service price mark.
📅 18 May 1999
Postal Cover
1 pcs.
p199912
"Foreign culture and art - 200 years since the birth of Alexander S. Pushkin" - illustrated postal envelope with a standard postal service price mark.
📅 18 May 1999
Postal Cover
1 pcs.
p199913
"Foreign Culture and Art - 400 Years of the Birth of Diego de Silva Velázquez" - illustrated postage envelope with standard postal service price mark.
📅 18 May 1999
Postal Cover
1 pcs.
p199914
📅 2005
1 series
"100 years of Archaeological Expedition in Bulgaria" - four illustrated postal envelopes with a standard postage stamp and a special postage stamp.
📅 18 May 2005
Postal Cover
4 pcs.
p200510
p200511
p200512
p200513
📅 2006
1 series
"100 years Port of Varna" - illustrated postcard with a standard postal service price sign and a special postage stamp.
📅 18 May 2006
Postcard
1 pcs.
k20063
📅 2015
1 series
"150 years of the International Telecommunication Union" - one postage stamp and special postage stamp.
📅 18 May 2015
Stamp
1 pcs.
5188
📅 2016
1 series
"140 years since the landing of the Boteva detachment from the Radetsky ship on the Kozloduy coast" - one postage stamp and a special postage stamp.
📅 18 May 2016
Stamp
1 pcs.
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5255
📅 2023
2 series
"120 years Port of Burgas" - one postage stamp and a special postage stamp.
📅 18 May 2023
Stamp
1 pcs.
5609
"100 years of the Bulgarian Olympic Committee" - one postage stamp in a block and a special postage stamp.
📅 18 May 2023
Block
1 pcs.
5610