1983 Hungary. Conference on Cooperation and Security. Bl.

€ 1²⁸ 
2⁵⁰ BGN

9d 2h 8m

despot55 (406)

1980. Belgium. Security and Cooperation Conference.

€ 0³¹ 
0⁶¹ BGN

7d 15h 47m

despot55 (406)

Bulgaria-People's Republic-1948-Coal stamp-pair, MNH

€ 2⁰⁴ 
3⁹⁹ BGN

6d 11h 52m

kaio2953 (56)

1986. Austria. Security and Cooperation Conference.

€ 0²⁶ 
0⁵¹ BGN

6d 23h 22m

despot55 (406)

Bulgaria - For Security and Cooperation in Europe..(1981)MNH

€ 5¹¹ 
9⁹⁹ BGN

1d 13h 37m

secko (124)

1983 Hungary. Conference on Cooperation and Security. Bl.

€ 1²⁸ 
2⁵⁰ BGN

9d 2h 8m

despot55 (406)

Clean block Meeting for Cooperation in Europe 1982 from Bulgaria

€ 3⁰⁷ 
6⁰⁰ BGN

2d 5h 52m

ESCC1 (277)

BULGARIA BULGARIA 3094 SECURITY AND COOPERATION MNH 1981

€ 5¹¹ 
9⁹⁹ BGN

5d 14h 52m

HOBBINOTECOINS (907)

BC 2437 Conference on Security and Cooperation in Europe

€ 0⁴¹ 
0⁸⁰ BGN

1d 5h 47m

boby42 (496)

1983 Hungary. Conference on Cooperation and Security. Bl.

€ 1¹⁸ 
2³¹ BGN

9d 2h 8m

despot55 (406)

2437 Bulgaria 1974 security cooperation Europe **

€ 0⁶¹ 
1¹⁹ BGN

8d 13h 17m

Stamps_Tim (382)

1983 Hungary. Conference on Cooperation and Security. Bl.

€ 1¹⁸ 
2³¹ BGN

9d 2h 8m

despot55 (406)

Conference on Security and Cooperation in Europe No. 2437 1974

€ 0⁵¹ 
1⁰⁰ BGN

1d 18h 52m

stoian76 (628)

1977. Hungary. Conference on Security and Cooperation in Europe. Block

€ 1⁶⁴ 
3²¹ BGN

3d 20h 47m

despot55 (406)

Postage stamps of the People's Republic of Bulgaria, Treaty between the People's Republic of Bulgaria and the People's Republic of Romania 1948

€ 0⁸⁴ 
1⁶⁴ BGN

6d 23h 37m

Ivodimitrov (1255)

Bulgaria-People's Republic-1948-Coal stamp-pair, MNH

€ 2⁰⁴ 
3⁹⁹ BGN

6d 11h 52m

kaio2953 (56)

1980. Belgium. Security and Cooperation Conference.

€ 0³¹ 
0⁶¹ BGN

7d 15h 47m

despot55 (406)

1983 Hungary. Conference on Cooperation and Security. Bl.

€ 1²⁸ 
2⁵⁰ BGN

9d 2h 8m

despot55 (406)