150th birth anniversary of Christo Botev - 1 v.

100th birth anniversary of Bertholt Brecht - 1 v.

100th anniversary of Bulgarian Telegraph Agency - 1 v.

Illustrations to children's book - s/s

120th anniversary of Bulgaria's liberation - 2 v. se-tenant

Easter 1998 - 1 v.

Sport: 75th anniversary of Bulgarian Olympic Committee - 1 v.

Multi-country Programme PHARE for Telecommunications & Posts - 1 v.

Europa 1998: National festivals and days - 2 v.

Sport: XVIII Winter Olympic Games, Nagano 1998 - 1 v. overprinted

200th birth anniversary of Eugene Delacroix - 1 v.

Sport: 50th anniversary of Football Club CSKA - 1 v.

Fauna: Cat races - 4 v.

150th birth anniversary of Paul Gauguin - 1 v.

150th death anniversary of Neophit Bozveli - 1 v.

Sport: World Football Championship, France 1998 - 4 v.

Sport: World Football Championship, France 1998 - s/s

10th anniversary of the space flight of A. Alexandrov - 1 v.

World exposition EXPO 1998, Lisbon - s/s

Transport: Helicopters - 4 v.

Fauna: International Year of World Ocean - s/s

100th birth anniversary of Dimitar Talev - 1 v.

90th anniversary of Proclamation Bulgaria's independence - 1 v.

Fauna: Butterflies and wild flowers - 4 v.

100th birth anniversary of Christo Smirnenski - 1 v.

450th birth anniversary of Giordano Bruno - 1 v.

50th anniversary of Universal Declaration of Human Rights - 1 v.

Greeting stamps - 4 v.

Christmas 1999 - 1 v.