First day postal envelope VIII Congress of the BPS 1977

~0⁷⁴ €

5h 36m 13s

Ivodimitrov (1149)

PSP XII Congress of the SBF, Sofia 1976

~0²⁶ €

2d 15h 26m

boby42 (485)

PSP XIII Congress of DKMS, Sofia, 1977.

~0²⁶ €

2d 15h 26m

boby42 (485)

SPC 2329 VIII World Trade Union Congress

~0²⁶ €

2d 14h 26m

boby42 (485)

PSP X!! BKP Congress 1981 - 2 envelopes

~0⁶² €

2d 7h 1m

boby42 (485)

First day. 2637 VIII congress of Bulgarian professional unions

~0³¹ €

15h 11m 10s

boby42 (485)

PSP International Philatelic exhibition Sofia-Moscow 1973

~0⁴¹ €

14h 56m 13s

boby42 (485)

PSP X!! SBF Congress, Sofia, 81

~0³⁶ €

2d 6h 56m

boby42 (485)

PSP Esperanto - 34 int. Congress V. Tarnovo, 78

~0²⁶ €

5d 14h 21m

boby42 (485)

Mailing envelope with t sign 5 cm 1982 K-C TRADE UNIONS SOFIA 2560

~0⁵¹ €

1d 23h 51m

philatelist#1 (166)

First-day postal envelope VIII congress of OF Sofia June 1977

~0⁶⁹ €

5h 36m 13s

Ivodimitrov (1149)

PSP 75. Bulgarian trade unions 1904-1970.

~0⁵¹ €

5d 15h 41m

boby42 (485)

Postal Envelope - Cuba, World Trade Union Congress 1973

~0³⁶ €

6d 17h 41m

sk-phila (314)

PSP Sport.Olympic Congress Varna, 71

~0⁴¹ €

5d 13h 21m

boby42 (485)

PSP XXXIII Congress of BZNS, 1976.

~0²⁶ €

2d 15h 26m

boby42 (485)

PSP D34 International Esperanto Congress - In Tarnovo, 78 on E

~0³¹ €

1d 7h 31m

boby42 (485)

BPS VIII CONGRESS FIRST DAY POSTAL ENVELOPE 1977

~0⁵¹ €

7d 13h 11m

luba_mateva (1133)

PSP Philatelic exp. "X! Congress of the BKP", Sofia 1, 1977

~0³¹ €

7h 31m 13s

boby42 (485)