- Home
- Stamps
- Azerbaijan
- 2019
Shipping: Spend over GBP £50.00 to receive free shipping
201931st International Olympiad in Informatics - First Day Cover
2019 31st International Olympiad in Informatics - First Day Cover for only GBP £1.50

- 10.08.2019
- Nariman Mammadzadeh
- Bobruisk Integrated Printing House, Bobruisk city, Belarus
- Offset
- 28x40 mm
About 31st International Olympiad in Informatics
The International Olympiad in Informatics (IOI) is an annual international informatics competition for high school students from various invited countries, accompanied by social and cultural programmes. It is one of the five international science Olympiads and is one of the most prestigious computer science competitions in the world.
Azerbaijan - Recommended stamp issues
WOPA+ recommended stamp issues
Medicinal Plants |
Issued: 03.01.2023 |
›Romania |
Lunar New Year - Year of the Rabbit |
Issued: 05.01.2023 |
›Jersey |
Dimitrie Cantemir, 350th Anniversary of his Birth |
Issued: 16.01.2023 |
›Romania |
Honour Guard of the President of the Slovak Republic |
Issued: 02.01.2023 |
›Slovakia |
Music Giants VII - Iron Maiden |
Issued: 12.01.2023 |
›Great Britain |
St. Elizabeth’s Church in Parnu |
Issued: 06.01.2023 |
›Estonia |
Year of the Rabbit |
Issued: 05.01.2023 |
›Guernsey |
Veteran Tractors |
Issued: 04.01.2023 |
›Aland Islands |
Effigy of H.S.H Prince Albert II - Green Letter Rate |
Issued: 03.01.2023 |
›Monaco |