Postage stamp block NRB 30 years Soviet space research

1⁴⁶ €

2d 7h 20m

Ivodimitrov (1331)

Postage stamps NRB ESPERANTO 1987

0²⁸ €

3d 18h 49m

Ivodimitrov (1331)

Bulgaria 1947 Congress Esperanto BC№646 clean

0¹⁰ €

3d 2h 39m

oleg66mirtchev (110)

45K32 / BOARD 1947 Esperanto Congress - 50% CATALOG

0²⁰ €

2d 5h 14m

Stamps_Tim (388)

Pure brand 70 years of Esperanto Congress 1947 from Bulgaria

0¹⁰ €

4d 12h 29m

ESCC1 (298)

Postmark NRB Peace with Bulgaria 1947

0²³ €

5h 39m 34s

Ivodimitrov (1331)

Postage stamp NRB 48 a Universal Esperanto Congress

0³³ €

2d 1h 4m

Ivodimitrov (1331)

USSR RUSSIA VOLGA KARE river 2 x 30 45 50 60K 1 R 1947 1131-3

24⁹⁹ €

8d 2h 51m

HOBBINOTECOINS (1037)

ESPERANTO ESPERANTO Emblem

1⁷⁹ €

2d 0h 39m

kns-64 (246)

Postage stamp Argentina 1910 Edificio del Congreso

0⁵⁰ €

4d 4h 11m

serkme (265)

1947 a box of Esperanto Congress No. 646 of the BC

0⁵¹ €

1d 12h 54m

stoian76 (684)

Postage stamp NRB 30 years UN 1945 - 1975

0²³ €

5d 11h 24m

Ivodimitrov (1331)

1947. Czechoslovakia. 30 years since the Russian October Revolution.

0⁶¹ €

8d 14h 24m

despot55 (412)

1947. Czechoslovakia. 30 years since the Russian October Revolution.

0⁶¹ €

8d 19h 4m

despot55 (412)

Postage stamps NRB 30 years from September 9, 1974

0⁵⁹ €

2d 7h 39m

Ivodimitrov (1331)

- 50% square Esperanto Congress from 1947. #646 from BC

0²⁶ €

11h 34m 34s

stoian76 (684)

Pure brand 70 years of Esperanto Congress 1947 from Bulgaria

0¹⁰ €

4d 12h 29m

ESCC1 (298)

Bulgaria 1947 BK 623/30

0⁶⁰ €

4d 5h 49m

snake (299)