1987. Czechoslovakia. XI Congress of Trade Unions, Prague.

0⁹⁰ BGN
€ 0⁴⁶ 

3d 19h 7m

despot55 (404)

Postal Envelope, Bulgaria XI Congress of the Bulgarian Communist Party '76

1⁵⁰ BGN
€ 0⁷⁷ 

2d 19h 47m

opil (51)

BKP X CONGRESS COLLECTIVE FIRST PLAQUE

12⁰⁰ BGN
€ 6¹⁴ 

3d 21h 12m

luba_mateva (1216)

Maximum Card - XI Mostren Fair-Plovdiv 1947

8⁰⁰ BGN
€ 4⁰⁹ 

17h 47m 56s

gperoto (154)

SANTIM CARD traveled from SHUMEN 19 XI 1895 to BERLIN

78²¹ BGN
€ 39⁹⁹ 

4d 19h 32m

HOBBINOTECOINS (896)

Old social badge Bronze enamel sign XI CONGRESS OF THE BKP

10⁵⁰ BGN
€ 5³⁷ 

9h 52m 53s

kotkasl (741)

Postal Envelope, Bulgaria XI Congress of the Bulgarian Communist Party '76

2⁰⁰ BGN
€ 1⁰² 

2d 19h 47m

opil (51)

Old badge XI Veterinary Congress London 1930.

50⁰⁰ BGN
€ 25⁵⁶ 

4d 4h 37m

code-smile (134)

Tea NDK XI Extraordinary Congress OF

30⁰⁰ BGN
€ 15³⁴ 

4d 5h 46m

r_men76 (603)

Badge - XI Congress of BLRS, 1988

2⁰⁰ BGN
€ 1⁰² 

1d 7h 27m

emmy (626)

37177 Bulgaria sign XI congress BKP 1976.

3⁰⁰ BGN
€ 1⁵³ 

4h 27m 53s

velichkover (820)

Star Sots medal plaque exhibition XI congress of the BKP 1976

15⁰⁰ BGN
€ 7⁶⁷ 

1d 6h 47m

кукуригу (454)

Postmark NRB XI Congress of the SBF Sofia 1971

0⁴⁵ BGN
€ 0²³ 

1d 21h 50m

Ivodimitrov (1246)

BKP. XI CONGRESS OF THE BULGARIAN COMMUNIST PARTY

6⁰⁰ BGN
€ 3⁰⁷ 

4d 21h 3m

dinchati12 (225)

First day envelope - XI Congress of the BKP 1976 Sofia

5⁰⁰ BGN
€ 2⁵⁶ 

4d 7h 47m

tsveta_m (1982)

Traveled envelope with stamps XI Congress of the BCP 1976 Bulgaria Error

5⁰⁰ BGN
€ 2⁵⁶ 

1h 42m 53s

ESCC1 (273)

SIGN-XI CONGRESS OF THE BCP.

15⁰⁰ BGN
€ 7⁶⁷ 

1d 23h 42m

auctioner (949)

1976. Bulgaria. XI Congress of the Bulgarian Communist Party. Block.

0⁷⁰ BGN
€ 0³⁶ 

9d 17h 7m

despot55 (404)