Five Years of the Slovak Republic
Date of Issue: January 1, 1998

The Winter Olympic Games, Nagano 1998
Date of Issue: January 19, 1998

Personalities
Martin Rázus
Date of Issue: January 19, 1998

Personalities
Ján Smrek
Date of Issue: January 19, 1998

Personalities
Jozef Škultéty
Date of Issue: January 19, 1998

The Banishing of Winter
Date of Issue: March 3, 1998

Splendours of Our Homeland
Budatín
Date of Issue: March 3, 1998

Splendours of Our Homeland
Krásna Hôrka
Date of Issue: March 3, 1998

Splendours of Our Homeland
Nitra
Date of Issue: March 3, 1998

Europa
Folklore Festivities
Date of Issue: May 5, 1998

Spiritual Renewal '98
Date of Issue: May 5, 1998

The Children's Centre
Date of Issue: June 1, 1998

Kragujevac 1918
Date of Issue: July 1, 1998

The Slovak Uprising of 1848-49
Date of Issue: July 1, 1998

Technological Monuments
150 Years of the Railways in Slovakia
Steam Locomotive
Date of Issue: August 20, 1998

Technological Monuments
150 Years of the Railways in Slovakia
Electric Locomotive
Date of Issue: August 20, 1998

Technological Monuments
150 Years of the Railways in Slovakia
Diesel Locomotive
Date of Issue: August 20, 1998

Nature Conservation
Fishes
Date of Issue: September 7, 1998

Trnava
Date of Issue: September 12, 1998

Our Lady of Sorrows - Patron of Slovakia
Date of Issue: September 14, 1998

25 Years of Ekotopfilm
Date of Issue: October 5, 1998

No to Drugs!
Date of Issue: October 5, 1998

Art
Martin Benka: Terchova Landscape
Date of Issue: October 15, 1998

Grand Prix de l' Exposition WIPA, 1998, Vienna

Art
Ľudovít Fulla: Fishermen
Date of Issue: October 15, 1998

Prešov
Date of Issue: November 3, 1998

Christmas '98
Date of Issue: November 3, 1998

Postage Stamp Day
History of the Postal Service
Date of Issue: December 18, 1998