Stamps of Slovakia, 18 base day
1 to 32 of 32
postage
1994, Oct 18 75 Years of Comenius University issue unwmk (no perf info)
| - | 12sk | multi |
1995, May 18
| - | 5sk | multi | Scout |
1996, Dec 18
| - | 3sk | multi | Michal Martikán Olympic Winner in Atlanta | — | — |
1996, Dec 18 Stamp Day 1996 issue
| - | 3sk | multi | — | — |
1997, Dec 18 Stamp Day 1997 issue
| - | 4sk | multi | .20 |
1998, Dec 18 Stamp Day 1998 issue
| - | 4sk | multi | .20 |
1999, Dec 18 Stamp Day 1999 issue
| - | 5sk | multi | Albín Brunovský |
2000, Aug 18 Organisation for Security and Cooperation in Europe issue
| - | 4sk | blk & ultra | .20 | .20 |
2000, Dec 18 50th Anniversary of Post Philatelic Service (POFIS) issue
| - | 5.50sk | multi |
2000, Dec 18 History of the Postal Law issue
| - | 20sk | multi | Empress Maria Theresia |
2001, Sep 18
| - | 18sk | multi | Alexander Dubcek |
2002, Apr 18
| - | 16sk | Levoča |
2002, Dec 18
| - | 20sk | multi | Art - Master Paul from Levoca-The Deccolation of St James, the Older | — | — |
2002, Dec 18 Postage stamp Day - NITRAFILA issue
| - | 10sk | multi |
2003, Sep 18
| - | 100sk | multi | Pezinok |
2004, Dec 18 Day of the Postage Stamp 2005 issue
| - | 9sk | multi |
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 | — | — |
2016, Nov 18 100th Anniversary of the Birth of František Dibarbora issue
| - | 0,85€ | multi | — | — |
2018, May 18
| - | 0,50€ | multi | Historical Power Plant in Piešťany | — | — |
2019, Oct 18 Ladislav Hudec issue
| - | 2.10€ | multi | — | — |
2019, Oct 18 Ernest Zmetak 100th issue
| - | 2,20€ | multi | — | — |
2020, May 18 Joint Issue with Poland issue
| - | 1.70€ | multi | — | — |
2020, Sep 18 150th Anniversary of the Establishment of St. Adalbert's Society in Trnava issue
| - | 1.85€ | multi | — | — |
2021, Oct 18
| - | 2,20€ | multi | "Views of Bratislava" by Matthaus Merian | — | — |
2022, Mar 18 150th Anniversary of Putting the Košice-Bohumin Railway into Operation issue
| - | 1.85€ | multi | — | — |
2023, Aug 18 175th Anniversary of the Slovak Rail Transport issue
| - | 2.50€ | multi | — | — |
semipostal
1944, Dec 18 wmk. double cross mult
| - | 2+4SK | bl | children |
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