Sport: European figure skating championship, Sofia 1991 - 1 v.

Definitives: Farm animals (1st part) - 4 v.

Definitives: Farm animals (2nd part) - 1 v.

Flora: Poisonous mushrooms - 6 v.

Flora: Poisonous mushrooms - 6 v. (sheetlet)

French impressionists - 6 v.

French impressionists - s/s

700th anniversary of Confederacy Switzerland - 1 v.

100th anniversary of the Bulgarian philately press - 1 v.

Europa 1991: European space flights - 2 v.

Fauna: Horse races - 6 v.

Fauna: Horse races - 6 v. (sheetlet)

World Exposition of Inventions, EXPO 1991 Plovdiv - 1 v.

200th anniversary of the death of Wolfgang Amadeus Mozart - 1 v.

10th anniversary of the Space shuttles - 6 v.

10th anniversary of the Space shuttles - s/s

10th anniversary of the Space shuttles - s/s imperforate

Sport: XVI Winter Olympic Games, Albertville 1992 - 4 v.

Sport: XVI Winter Olympic Games, Albertville 1992 - s/s

Sport: XVI Winter Olympic Games, Albertville 1992 - s/s imperforate

Definitives: Farm animals (3rd part) - 5 v.

Sheraton Sofia - Hotel Balkan - 1 v.

Sheraton Sofia - Hotel Balkan - sheetlet of 3 stamps & 3 vignette

Fauna: Decorative dogs - 6 v.

Fauna: Decorative dogs - 6 v. (sheetlet)

Philatelic Fair, Cologne 1991 - sheetlet of 3 stamps & 3 vignette

200th anniversary of the Brandenburger Gate, Berlin - s/s

200th anniv. of the Brandenburger Gate, Berlin - s/s imperforate

Philatelic Exhibition, Tokyo 1992 - sheetlet of 3 stamps & 3 vignette

Transport: 125th anniv. of the railway in Bulgaria - 2 v.

Sport: 100th anniversary of Basketball - 4 v.

450th birth anniversary of El Greco - 6 v.

450th birth anniversary of El Greco - s/s

Christmas 1991 - 2 v.

Flora: Action 2000 for environment protection - 6 v.

Flora: Action 2000 for environment protection - 6 v. (sheetlet)

Fauna: Sea mammals - 6 v.

Fauna: Sea mammals - 6 v. (sheetlet)