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

~0²⁸ €

6d 3h 5m

Ivodimitrov (1172)

3543 Conf. For security and difficulty. Vienna meeting - BLOCK 2 pcs

~5¹³ €

1d 18h 25m

plamen_0710 (15)

Postal block and stamps NRB Universal Postal Union UPU 1974

~1³⁶ €

4d 12h 15m

Ivodimitrov (1172)

1981 Finland. Conf. of the European Ministers of Transport

~0⁶⁷ €

6d 6h 20m

despot55 (384)

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

~20⁵³ €

2d 12h 10m

ASHALEV (103)

2437 Conf. for security and difficulty. in Europe 1974, block.

~0⁷⁷ €

2d 1h 30m

start_08 (720)

3261 - 3264 Closing session of Conf. for security - 2 pcs. series

~6¹⁶ €

1d 18h 25m

plamen_0710 (15)

2437 Conf. in Europe 1974 - BLOCK 4pcs

~2⁵⁷ €

1d 18h 25m

plamen_0710 (15)

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

~0²⁶ €

6d 0h 40m

stoian76 (582)

Innsbuck 1964 Winter Olympics NRB Postal Block

~0⁷⁴ €

4d 15h 40m

Ivodimitrov (1172)

Postal Block NRB World Philatelic Exhibition Madrid Spain 1975

~0⁶⁹ €

4d 12h 15m

Ivodimitrov (1172)

3543A Conf. for security and difficulty. Vienna meeting

~23¹⁰ €

7d 1h 55m

start_08 (720)

Postal block and stamps NRB V Inter. Phil. Balkanfila exhibition

~0⁹⁰ €

1d 6h 5m

Ivodimitrov (1172)

3261 - 3264 Closing session of Conf. for security - NUMBERED

~8⁷³ €

1d 18h 25m

plamen_0710 (15)

Poland, 1983 - "10 years from the United Nations Conf. On OS", 6 zloty

~0²⁰ €

21h 20m 17s

Aragorn (151)

Conf. for security and labor Vienna meeting #3543 from BC

~1⁰³ €

5h 55m 3s

stoian76 (582)

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

~35⁹³ €

2d 12h 10m

ASHALEV (103)

3308 60 years from Vitoska illegal conf. of the BKP.

~0²⁶ €

3d 0h 40m

start_08 (720)