All series
"Spring" in folklore
1st anniversary of the death of George Dimitrov
1st Bulgarian Everest climbing expedition, Apr. 20 – May 9.
1st Congress of Bulgarian Social – Democratic Party, 70th anniversary
2nd Bulgarian Workers' Congress
2nd Joint Soviet – Bulgarian Space Flight
2nd National Peace Conference
3rd Congress of the Bulgarian Youth Federation
3rd National Spartakiad
3rd Spartacist Games
4th Congress of Dimitrov's Union of People's Youth
5th anniv. of death of George Dimitrov
6th amateur art festival
7th Congress of European Biochemical Association (FEBS), Varna
7th International Youth Festival, Vienna.
8th Congress of World Federation of Trade Unions, Varna, Oct. 15 – 22.
8th meeting of postal administrations of socialist countries, Varna
8th Winter Olympics, Sqaq Valley, CA
8th Youth Festival for Peace & Friendship, Helsinki
9th Winter Olympic Games
9th World Soccer Championships for the Jules Rimet Cup, Mexico City
9th Youth Festival for Peace and Friendship Sofia, July 28 – Aug. 6.
10th anniv. of Bulgaria's liberation
10th congress of Dimitrov's Union of the Peoples Youth
10th European Basketball Championships at Sophia
10th Winter Olympic Games, Grenoble
11th Winter Olympic Games, Sapporo, Japan
12th Bulgarian Communist Party Congress
12th Winter Olympic Games, Innsbruck, Austria, Feb. 4 – 15
13th World Rythmic Gymnastic Championships, Varna
15th anniversary of Bulgarian liberation
15th Chess Olympics, Varna
15th World Parachute Championships
16th Olympic Games, Melbourne, Australia. 1956
17th Olympic Games, Rome, 1960
18th International Plovdiv Fair.
18th Olympic Games
18th Olympic Games, Tokyo. Oct. 10 – 25.
19th Olympic Games
20th Anniv. Energy & Water Regulatory Commission
20th Anniv. of People's Government of Bulgaria
20th Olympic Games, Munich, 8/26 – 9/11.
25th Anniv.
25th anniv. of the Young People s Brigade
25th Anniversary of death of Lenin
25th Anniversary of People's Republic
25th anniversary of the factory militia
25th anniversary of the Frontier Guards
29th Congress of World Association Breast & Cardovascular Surgeons, Sofia
40 Years of Skiing in Bulgaria
40th anniv. of the Communist Revolution
40th anniversary of the September Revolution
50th anniv. of Bulgarian Postal Savings
50th anniv. of Bulgarian State Railways
50th anniv. of the Ilinden Revolt
50th anniv. of the Transport Workers Union
50th anniversary of the formation of the Social Democratic Party
60 Anniv.
70th anniv. of the birth of Joseph V. Stalin.
70th anniversary of the birth of Joseph V. Stalin
75th Birth Anniversary Of Painter Kiril Zonev
80th anniv. of the Bulgarian post.
80th anniversary of Levski's death
80th anniversary of the first Congress of the Bulgarian Social Democratic party
90th Anniv., Bulgarian Social Democratic Party Buzludja Congress
90th anniv. of birth of George Dimitrov (1882 – 1949), communist leader
90th anniv. of liberation from Turkey, Patriotic paintings
90th anniversary
100th anniversary Bulgarian state railways
150th birth anniv. of Stanislav Dospevski.
200th anniv. of Slav – Bulgarian History.
1000th Anniv. Battle of Belasitsa
1000th Anniv. of Rila Monastery
1100th death Anniv.
1925 – 29
1931 – 37
1940 – 1944
1941 – 42
1942 – 43
1945 – 1946
1950 – 51
1958 Balkan Games
1958 Students Games
1961 World University Games, Sofia
1990 World Soccer Championship, Italy
1990 World Soccer Championships, Italy
1992 Summer Olympic Games, Barcelona
1992 Summer Olympics, Barcelona
1994 Lillehammer Winter Olympics
1994 Winter Olympics – Lillehammer
2019 Philatelic Exhibition, Plovdiv
2500 years of Bulgarian Art
Acquisition of Macedonia
Actors' Portraits
Agriculture
Agriculture, 1967
Agriculture crops
Airlines
Airplanes
Airships
Aleksandr Stamboliski (1879 – 1923), leader of Peasants Party and premier
Ancient Ships
Animals
Anniversary of liberation, September 9, 1944
April uprising against the Turks, 90th anniversary
April Uprising Against the Turks, 100th Anniv.
April Uprising against Turkish rule, 80th Anniv.
Army Day
Artist
Balkan games
Bees and Plants
Beetles
Berries
Birds
Birds in Natural Colors
Black Sea fauna
Black Sea fish
Black Sea Resorts
Botev Bulgarian National Poet
Buildings in Pleven
Bulgarian Art
Bulgarian communications
Bulgarian Communist Party, 8th Congress
Bulgarian deep – sea research in the Black Sea
Bulgarian History
Bulgarian history, 1973 series
Bulgarian Paintings
Bulgarian Red Cross, 90th anniversary
Bulgarian Renaissance Houses
Bulgarian Scenes
Bulgarian Theater centenary
Bulgarian victories in 20th Olympic Games
Bulgarian Views
Butterflies
Butterflies, flowers
by Vladamir Dimitrov (1882 – 1961)
Cats
Cats, 1989
Centenary of deaths of Haji Dimitr & Stefan Karaja
Centenary of uprising against Turkey, woodcuts
Ceramics (2nd – 4th Cent.)
Children's Day
Children's Drawings
Children's Paintings
Christmas
Christmes
Christo Smirnenski, Poet, 1898 – 1923
Civil Air Transport
Clock towers
Coin from 14th Century
Coins from 14th Century
Col. Rukavishnikov, 1st Bulgarian astronaut
Conference of transport Ministers from Socialist Countries
Conspiracy to Liberate Bulgaris from Turkiish Rule, 150th Anniv.
Contemporary Art
Cosmonauts Day
Da Vinci paintings
Day of the Railroads (Aug.1, 1954)
Death of James D. Bourchier, Balkan correspondent of the London Times
Decorated houses in Koprivnica
Definitive series, 1911
Denomination and Stars in Vermilion
Designs (14th – 19th Century Jewelry):
Designs (Manasses Chronicle)
Dimitrov Pioneer Organization
Dinosaurs
Dogs
Domestic Animals
Early completion of the 5 – year plan (in 1959)
Ecology
Equine Sports
Espana "82 World Cup Soccer
establishment of the Bulgarian People s Republic.
Etchings
Europa
European Swimming Championships, Sofia
European Wrestling Championships
EXPO '70, Osaka, Japan
Fairy Tales
Fairy Tales, 1964
Famous Men
Farm Animals
Fighters against fascism
Figures, by Vladamir Dimitrov (1882 – 1961)
First Bulgarian secondary school, 1858, in Bolgrad, USSR
Fishing industry
Five – year plan accomplishments
Flowers
Flowers in Natural Colors
Folk Art, Spring 1971
Fruit
Fruits
Fruit types of 1956
Game
Gold treasure from the 4th century B.C.
Great personalities of the world.
Halley's Comet's Orbit in the Solar System
Halley's Comet's Orbit in the Solar Sytem
Harriers
Health Resorts
Helicopters
Herbs
Historical Paintings
Historic Buildings in Various Cities
Historic Sailing Ships
Historic Sailing Ships Type of 1975
Honoring opera singers in their best roles.Opera Singers and Operas
Horseman Type of 1965
Important People
In aid of war victims
Industrial Buildings
Industrial types of 1950
Initials
Insects
International Federation of Resistance Fighters (FIR), 20th anniversary
International Quiet Sun Year, 1964 – 1965
International Telecommunications Day, centenary of Bulgarian Postal & Telegraph Services
International Tourist Year, 1967.
Intl. Letter Writing Week Oct. 5 – 11
Issued for Children s Week.
Issued to honor the anti – fascists.
Know Your Country campaign
Kukersky Masks at Pre – Spring Festival
Kurdzhali Region Religious Art
Legumes
Leonardo da Vinci
Locomotives
M.K. Gandhi
Means of Communication
Medicinal Herbs
Michelangelo Buonarotti (1475 – 1564), Italian sculptor, painter and architect.
Millenium of Rila Monastery, 10th century murals & icons
Modern Pentathlon World Championship
Month of Bulgarian – Russian friendship
Moths
Motion Picture Cent.
Mountain Peaks
Murals from Boyana Church
Mushroom
Mushroom Denominations in Black
Mushrooms
N. Haytow
National Art Gallery.Paintings
National Costumes
National Products
National Products Issue
National Work and Joy movement
Natl. Insurrection of 1923, 25th anniv.
Natural history museum
Nature protection conference
New year 1990
October Revolution, Russia, 70th Anniversary
Owls
Paintings
Paintings; Liberation from Byzantine Rule, 800th anniversary
Paintings by Titian
Paintings by V. Dimitrov
Paintings by Vladimir Dimitrov, 90th birth anniversary
Paintings from the National Art Gallery
Paintings in the Sofia City Art Gallery
Paintins by Nenko Balkanski (1907 – 1977)
Philaserdica '79, International Philatelic Exhibition, Sofia & Centenary of Bulgarian Stamps
Philaserdica Type of 1978
PHILEXFRANCE '82 Intl. Stamp Exhibition, Paris
Plants in Bulgaria's Red Book
Postal Conveyances
Predators
Protecting the environment
Puppies
Railroad Locomotives
Red Cross centennial
Regional Costumes
Regular Issues of 1911 – 20, Surcharged
Restoration of the ancient capital Veliko Trnovo
Rogozen Thracian Treasure
Rogozen Trhacian Treasure
Roman coins
Roses
Roses in Natural colors
Russian 3 – man space flight, Oct. 12 – 13,
Russian October Revolution, 50th Anniversary
Russian space explorations
Russian – Bulgarian friendship
Sailboats
Sept. Revolution, 30th anniv
September 9 Revolution, 45th Anniv.
Ships
Silk industry
Sofia Stamp Exhib Emblem with Folkore Patterns
Sofia Through the Ages
Sofia zoo
Sofia Zoo animals
Songbirds
Sophia Zoo, 80th anniv.
Space era, 20 Years
Space Exploration
Space Exploration Type of 1966
Sports Cars
Sports Events
Sports Type of Regular Issue, 1969
St. Cyril (827 – 869), apostle to the Slavs
Stamps of 1917 – 21 Surcharged in Black
Stories and Legends
The benefit of the Children's Foundation
The space flights of Valeri Bykovski, June14 – 19, and Valentina Tereshkova, first woman cosmonaut
Thracien Art (8th – 4th centuries)
Tourist Houses
Traditional modes of postal conveyance
Treasures of Preslav
Type of Olympic Games Issue, 1968
UNESCO, 40th anniv
Various children s drawings. Frame &
Various Dog Breeds
Vegetables
Victory of Allied Nations, World War II.
Vultures
Waterfowl
Wild Animals
Wild animals, 1973
Wildlife
Winter Olympic Games Type of 1967
Woodcarvings at Rila Monastery
Woodcarvings from Rozhen Monastery
Woodcuts of Bulgarian history
World Championships for Artistic Gymnastics, Varna
World Communications Year
World Rheumatism Year
World Soccer Championship, Munich
World Soccer Cup, Wembley
World Volleyball Championships
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