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2018IPhO - Set
| Set |
| GBP £1.31 |
| First Day Cover |
| GBP £2.09 |
| Special Folder |
| GBP £2.33 |
About IPhO
The International Physics Olympiad, IPhO, is a physics competition for secondary school students aimed at promoting physics and developing international contacts for physics education. Countries participate in the olympiad with teams of a maximum of 5 students and 2 teachers. Students compete individually, undertaking two tests, one theoretical and one experimental, each with a duration of 5 hours. The tests consist of various problems and experimentaltasks related to topics from the demanding o cial olympicprogramme, putting the students’ knowledge and creativity to the test.
Portugal - Recommended stamp issues
WOPA+ recommended stamp issues
| Lunar New Year - Year of the Rabbit |
| Issued: 05.01.2023 |
| ›Jersey |
| Veteran Tractors |
| Issued: 04.01.2023 |
| ›Aland Islands |
| Music Giants VII - Iron Maiden |
| Issued: 12.01.2023 |
| ›Great Britain |
| Honour Guard of the President of the Slovak Republic |
| Issued: 02.01.2023 |
| ›Slovakia |
| St. Elizabeth’s Church in Parnu |
| Issued: 06.01.2023 |
| ›Estonia |
| Medicinal Plants |
| Issued: 03.01.2023 |
| ›Romania |
| 150th Anniversary of the Birth of Saint Therese De Lisieux |
| Issued: 03.01.2023 |
| ›Monaco |
| 10th New Generation |
| Issued: 09.01.2023 |
| ›Monaco |
| Effigy of H.S.H Prince Albert II - Green Letter Rate |
| Issued: 03.01.2023 |
| ›Monaco |
| 45th Monte-Carlo International Circus Festival |
| Issued: 09.01.2023 |
| ›Monaco |
| Dimitrie Cantemir, 350th Anniversary of his Birth |
| Issued: 16.01.2023 |
| ›Romania |
