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

€ 0⁴¹ 
0⁸⁰ BGN

1d 7h 52m

oleg66mirtchev (101)

Clean block Cosmos Space flight USSR-NRB 1979 Bulgaria

€ 43⁴⁶ 
85⁰⁰ BGN

2d 22h 18m

ate1234 (10)

Conference on Security and Cooperation in Europe No. 2437 1974

€ 0⁵¹ 
1⁰⁰ BGN

8h 56m 58s

stoian76 (629)

1983 Budapest Security Conf. BK-3220/23** small sheets

€ 20⁴⁵ 
40⁰⁰ BGN

6d 23h 7m

ASHALEV (111)

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

€ 0²⁸ 
0⁵⁵ BGN

2d 19h 2m

Ivodimitrov (1255)

Block, brand-Conf. for Security Europe-1974.

€ 0⁵¹ 
1⁰⁰ BGN

4d 23h 2m

wolf69 (89)

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

€ 0²⁶ 
0⁵¹ BGN

3d 6h 12m

stoian76 (629)

Postal block and stamps NRB St. soccer MEXICO'70 1970

€ 1⁴⁶ 
2⁸⁶ BGN

4d 15h 42m

Ivodimitrov (1255)

Innsbuck 1964 Winter Olympics NRB Postal Block

€ 0⁷⁴ 
1⁴⁵ BGN

1d 7h 26m

Ivodimitrov (1255)

Conf. on Security and Cooperation in Europe 1974. Blok.

€ 35⁷⁹ 
70⁰⁰ BGN

2d 22h 18m

ate1234 (10)

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

€ 0²⁰ 
0³⁹ BGN

9d 21h 12m

Stamps_Tim (382)

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

€ 0⁹⁵ 
1⁸⁶ BGN

18h 1m 58s

Ivodimitrov (1255)

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

€ 40⁹⁰ 
79⁹⁹ BGN

6d 23h 7m

ASHALEV (111)

Postal block and stamps NRB Universal Postal Union UPU 1974

€ 1³⁵ 
2⁶⁴ BGN

18h 1m 58s

Ivodimitrov (1255)

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

€ 0⁸⁴ 
1⁶⁴ BGN

18h 1m 58s

Ivodimitrov (1255)

Postal block and stamps NRB National Art Gallery

€ 1²⁰ 
2³⁵ BGN

18h 1m 58s

Ivodimitrov (1255)

Postal Block NRB World Philatelic Exhibition Madrid Spain 1975

€ 0⁶⁹ 
1³⁵ BGN

18h 1m 58s

Ivodimitrov (1255)

1986 Conf. security and cooperation. Vienna meeting.

€ 2²⁵ 
4⁴⁰ BGN

3d 21h 16m

Neron04 (312)