Postal block and stamps NRB 500 years of birth. of Michelangelo

€ 0⁹⁵ 
1⁸⁶ BGN

1d 1h 49m

Ivodimitrov (1317)

1984 Stockholm Security Conf. BK-3285/88** small sheets

€ 35⁰⁰ 
68⁴⁵ BGN

4d 17h 16m

ASHALEV (122)

Postal block and stamps NRB National Art Gallery

€ 1³⁵ 
2⁶⁴ BGN

2d 2h 31m

Ivodimitrov (1317)

-50% Conf. for security and labor in Eur" No. 2437 of BC 1974.

€ 0²⁶ 
0⁵¹ BGN

4d 7h 56m

stoian76 (676)

Postal block and stamps NRB National Art Gallery

€ 1²⁰ 
2³⁵ BGN

1d 2h 32m

Ivodimitrov (1317)

Postal block and stamps NRB EXPO'70 Osaka 1970

€ 1²⁰ 
2³⁵ BGN

2d 2h 16m

Ivodimitrov (1317)

Postal block and stamps NRB National Art Gallery

€ 0⁹⁵ 
1⁸⁶ BGN

6d 18h 21m

Ivodimitrov (1317)

1981 Finland. Conf. of the European Ministers of Transport

€ 0⁶⁶ 
1²⁹ BGN

9d 16h 26m

despot55 (410)

Postal Block NRB World Philatelic Exhibition Madrid Spain 1975

€ 0⁶⁹ 
1³⁵ BGN

1d 1h 49m

Ivodimitrov (1317)

1983 Madrid Security Conf. BK-3261/64** small sheets

€ 41⁰⁰ 
80¹⁹ BGN

4d 17h 16m

ASHALEV (122)

Innsbuck 1964 Winter Olympics NRB Postal Block

€ 0⁷⁴ 
1⁴⁵ BGN

1d 22h 36m

Ivodimitrov (1317)

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

€ 5¹¹ 
9⁹⁹ BGN

4d 3h 31m

secko (164)

Postmark NRB IV International. conf. on the job of transport 1965

€ 0²⁸ 
0⁵⁵ BGN

3d 2h 31m

Ivodimitrov (1317)

118K278 / Hungary 1961 Conf., Ministers of Transport (* / **)

€ 0²⁰ 
0³⁹ BGN

9d 20h 36m

Stamps_Tim (386)

Bulgaria 1974. Block: Conf.za sig. M! Л bl.53A, BK№2437

€ 0⁴¹ 
0⁸⁰ BGN

8d 18h 21m

oleg66mirtchev (110)

Clean block Meeting for Cooperation in Europe 1982 from Bulgaria

€ 3⁰⁷ 
6⁰⁰ BGN

3d 7h 31m

ESCC1 (295)

1986 Conf. security and cooperation. Vienna meeting.

€ 2²⁹ 
4⁴⁸ BGN

4d 17h 21m

Neron04 (323)

Postal block and stamps NRB St. young. Phil. exhibition Mladost'74

€ 0⁸⁴ 
1⁶⁴ BGN

1d 2h 32m

Ivodimitrov (1317)