3544 A - 3545 A XIV Congress of SBF, non-perforated - BLOCK 2pcs

~5¹³ €

2d 3h 11m

plamen_0710 (15)

BK 702 BGN 50 VI Congress of the SBF 0

~0¹⁵ €

2d 2h 41m

boby42 (485)

Bulgaria 1967 Congress of the SBF

~0²⁶ €

5d 7h 51m

trini (83)

Postmark NRB XI Congress of the SBF Sofia 1971

~0²³ €

4d 16h 21m

Ivodimitrov (1157)

BK 22171 X! congress of the SBF, machine-stamped - square

~0⁴¹ €

8h 51m 44s

boby42 (485)

BK 3103 block no. XIII Congress of the SBF

~1⁴⁴ €

8d 10h 11m

boby42 (485)

3544-3545 XIV Congress of the SBF

~0⁷⁷ €

5d 14h 1m

xrisi_353 (196)

XIV Congress of the SBF Unperforated sheet 1986 3"1

~2⁰⁵ €

5d 7h 56m

trini (83)

2561 XII Congress of the SBF, Block. - UNIT 4pcs

~2⁵⁷ €

2d 3h 11m

plamen_0710 (15)

3544 - 3545 XIV Congress of SBF, perforated - BLOCK 2 pcs

~4¹¹ €

2d 3h 11m

plamen_0710 (15)

Bulgaria - IV congress of the SBF, neperforina m.list

~5¹³ €

2h 16m 43s

megalodon81 (342)

BC 2171 XI Congress of SBF

~0¹³ €

3d 9h 6m

boby42 (485)

1976. Bulgaria. Air mail. SBF Congress. Block.

~0⁴⁶ €

2d 4h 56m

despot55 (377)

3103 XIII Congress of the SBF, block numbered - SEQUENCE

~5¹³ €

2d 3h 11m

plamen_0710 (15)

3544 A - 3545 A XIV Congress of SBF, Perforated - BLOCK 4pcs

~10²⁷ €

2d 3h 11m

plamen_0710 (15)

RSI 2561 XII Congress of the SBF, 1976.

~3⁸⁵ €

2d 10h 11m

boby42 (485)

BK 3644-3545 XIv Congress of the SBF,

~0²⁶ €

4d 10h 26m

boby42 (485)

1976 XII Congress of SBU, Block

~0³⁶ €

3d 4h 1m

Neron04 (306)