1997-12-22: 25th Anniversary of Bulgarian Space Activity

1997-12-22: Republic of Bulgaria's Coat of Arms

1997-12-17: Winter Olympic Games 1998 - Nagano

1997-12-08: Christmas 1997

1997-11-18: Milenary of Coronation of Tsar Samuel

1997-10-02: 43rd General Assembly of Atlantic Association

1997-09-08: Centenary of Diesel motors

1997-07-30: World Philatelic Exposition, Moscow 1997

1997-07-25: Modern Pentathlon Championship,Sofia 1997

1997-07-03: 100th Anniversary of the Death of Evlogi Georgiev

1997-06-29: Transport

1997-06-24: Famous Composers

1997-06-24: Plants of Bulgarian Red Book

1997-05-02: Historical sights

1997-04-21: 100th Anniversary of the Death of Heinrich von Stephan

1997-04-16: 100th Anniversary of the Birth of Constantin Kissimov

1997-04-14: Europa (C.E.P.T.) 1997 - Tales and Legends

1997-03-20: Birth Centenary of Ivan Milev

1997-03-10: Anniversary

1997-02-25: Dogs (1997)