Anniversaries Stamp Thematic on WOPA+
Anniversaries
| 550th Birthday of Nicolaus Copernicus |
| Issued: 04.09.2023 |
| ›Liechtenstein |
| 120th Anniversary of the Gulbene-Aluksne Narrow-Gauge Railway |
| Issued: 01.09.2023 |
| ›Latvia |
| 30 Years of the Kyrgyz Som |
| Issued: 28.08.2023 |
| ›Kyrgyzstan KP |
| 30th Anniversary of Kyrgyz Som |
| Issued: 25.08.2023 |
| ›Kyrgyzstan KP |
| 75 Years since the Founding of the Union of Philatelists of Serbia |
| Issued: 22.08.2023 |
| ›Serbia |
| 150 Years Budapest |
| Issued: 18.08.2023 |
| ›Hungary |
| The 175th Anniversary of Slovak Rail Transport |
| Issued: 18.08.2023 |
| ›Slovakia |
| 10th Anniversary of Accession of H.H. the Amir |
| Issued: 14.08.2023 |
| ›Qatar |
| Cacheted First-Day Cover Centennial |
| Issued: 10.08.2023 |
| ›Marshall Islands |
| 100 Years of the PTT Museum |
| Issued: 31.07.2023 |
| ›Serbia |
| Maria Callas's 100th Anniversary |
| Issued: 24.07.2023 |
| ›Portugal |
| Prominent Armenians - 100th Anniversary of Lyudvik Mirzoyan |
| Issued: 24.07.2023 |
| ›Armenia |
| Prominent Armenians, 100th Anniversary of Sargis Baghdasaryan |
| Issued: 19.07.2023 |
| ›Armenia |
| 150th Anniversary of Valery Bryusov |
| Issued: 18.07.2023 |
| ›Armenia |
| Prominent Armenians, 100th Anniversary of Khachatur Iskandaryan |
| Issued: 17.07.2023 |
| ›Armenia |
| Sport - The 150th Anniversary of Organised Hiking Trips in Slovakia |
| Issued: 14.07.2023 |
| ›Slovakia |
| 250 Years since the Slovak Settlement in Kisac |
| Issued: 14.07.2023 |
| ›Serbia |
| Events - 50th Anniversary of the Founding of the Team Nucleares S.A |
| Issued: 12.07.2023 |
| ›Spain |
| PostEurop 30 Years |
| Issued: 10.07.2023 |
| ›Azerbaijan |
| The Szerencs Chocolate Factory is 100 Years Old |
| Issued: 07.07.2023 |
| ›Hungary |
| Postal History VI - The Postcode is 50 Years Old |
| Issued: 07.07.2023 |
| ›Hungary |
| Prominent Armenians - 100th Anniversary of Ghukas Chubaryan |
| Issued: 04.07.2023 |
| ›Armenia |