Stamps of Slovakia, 4 base month
1 to 50 of 61
postage
1939, Apr ovpted (no wmk info) (no perf info)
| X | 50h | on 50h-Hlinka (1), Hlinka | .30–1.00 | .30–1.00 | ||
| X | 1k | on 1k-Hlinka (1), Hlinka | .30–1.00 | .30–1.00 |
1939, Apr 1939b issue Hlinka unwmk (8 stamps)
| - | 5h | Hlinka | ||||
| - | 10h | Hlinka | ||||
| X | 20h | Hlinka | ||||
| X | 30h | Hlinka | ||||
| - | 50h | Hlinka | ||||
| X | 1k | Hlinka | ||||
| X | 2.50k | Hlinka | ||||
| X | 3k | Hlinka |
1994, Apr 29 International Year of the Family issue
| - | 3SK | multi | .20 | .20 |
1995, Apr 20
| - | 3SK | multi | Béla Bartók | .20 |
1995, Apr 20
| - | 6sk | multi | Ján Bahýľ |
1997, Apr 15 Telegraphy centenary issue
| - | 10sk | multi |
2001, Apr 10 Archaeological Locality issue
| - | 12sk | multi | Liptovská Mara | |||
| - | 15sk | multi | Ducové-Kostelec |
2001, Apr 26
| - | 50sk | multi | Komárno |
2002, Apr 18
| - | 16sk | Levoča |
2003, Apr 6 25th Anniversary of the Slovak Ecclesiastical Province issue
| - | 17sk | multi | St Cyril | |||
| - | 22sk | multi | St Method |
2003, Apr 24
| - | 15sk | multi | Ludwig van Beethoven |
2004, Apr 16 Splendours of Our Homeland - Wedding Costumes issue
| - | 15sk | multi | ||||
| - | 28sk | multi |
2004, Apr 23 Europa 2004 issue
| - | 20.00sk | multi |
2005, Apr 22 Europa 2005 issue
| - | 19k | multi | map of Slovakia |
2005, Apr 29 Peace of Bratislava 200th issue
| - | 23k | multi |
2006, Apr 21 Nature Protection issue
| - | 32.00sk | multi | Geological locality Sandberg | |||
| - | 35.00sk | multi | Geological Locality Šomoška |
2007, Apr 18 Preservation of Nature issue (6 stamps)
| - | T2 100g | multi | Cypripedium calceolus (2008) | — | — | |
| - | T2 500g | multi | Ophrys apifera (2008) | — | — | |
| - | 1,10€ | multi | fire salamander (2009) | — | — | |
| - | 1,10€ | multi | Emys orbicularis (2009) | — | — | |
| - | 31sk | multi | Slovensky cuvac | — | — | |
| - | 31sk | multi | Slovensky kopov | — | — |
2008, Apr 3 Constitution Court of Slovak Republic 15th issue
| - | 25sk | multi |
2008, Apr 17 Personalities (2008)
| - | T1 100g | multi | Masa Hal'amová | — | — | |
| - | T2 500g | multi | Eugen Suchon | — | — |
2008, Apr 30 Fire-fighting Devices
| - | T1 500g | multi | Four-wheeled Hand Fire Engine 1872 | — | — | |
| - | T2 1000g | multi | F. Seltenhofer 1880 | — | — |
2009, Apr 17 Aurel Stodola 150th issue
| - | 0.33€ | multi | Aurel Stodola |
2009, Apr 29 40th Anniversary of the foundation of the Union of Slovak Philatelists (ZSF) issue
| - | T2 20g | multi | — | — |
2010, Apr 16
| - | 0.40€ | multi | Milan Hodza |
2011, Apr 15
| - | 1,10€ | multi | Dobsinska Ice Cave |
2011, Apr 29 Beatification of John Paul II issue
| - | 0.40€ | multi |
2012, Apr 13 Joint Issue with Serbia issue
| - | 1.20€ | multi | Jan Koniarek |
2013, Apr 12 Breast Cancer issue
| - | 1,10€ | multi | Artemis reaching back for arrow |
2013, Apr 26
| - | T2 50g | multi | Windmill in Holic | — | — |
2014, Apr 17 Historic Motorcycles
| - | 1,10€ | multi | Manet M90 | — | — | |
| - | 1.25€ | multi | Jawa 50/550 Pioneer | — | — |
2015, Apr 17
| - | 0,45€ | multi | 498.104 Albatross | — | — |
1 to 50 of 61