04. 10. 2024
Postal Materials
29. 06. 2021
Commemorative Postmark
150th anniversary of the founding of the observatory in Hurbanovo
18. 06. 2021
Personalised adjusted printing sheet (PersUTL)
International Collectors Fair Bratislava Collectors Days 2021 (postage stamp State motif)
23. 04. 2021
Commemorative Postmark
140th anniversary of the death of Jan Botto (1829 - 1881) - Death of Janosik