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2018IPhO - Set
| Set |
| GBP £1.37 |
| First Day Cover |
| GBP £2.19 |
| Special Folder |
| GBP £2.44 |
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
| Avatar - Fire and Ash |
| Issued: 03.12.2025 |
| ›New Zealand |
| 50th Anniversary of the Founding of the 24th November Bar Scout |
| Issued: 24.11.2025 |
| ›Montenegro |
| Krisjanis Valdemars |
| Issued: 02.12.2025 |
| ›Latvia |
| Sign Language - Good |
| Issued: 02.12.2025 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| In Memory of the Fallen and Murdered on October 7, 2023 |
| Issued: 08.10.2025 |
| ›Israel |
| Annual Collection Folder (New York) |
| Issued: 05.12.2025 |
| ›United Nations |
| Year Set |
| Issued: 24.11.2025 |
| ›Isle of Man |
| Shipping in the 17th and 18th Centuries - Peat Shipping |
| Issued: 05.12.2025 |
| ›Netherlands |
