1977. USSR. 24th International Navigation Congress.

~0³¹ €

9d 2h 4m

despot55 (386)

Bulgaria 1971 - 11th Congress of the Union of Bulgarian Artists Sofia

~0²³ €

9d 14h 46m

hrilis (160)

Postage stamps NRB Kiril Tsonev 1896 - 1971 1971

~1¹⁰ €

6d 10h 26m

Ivodimitrov (1182)

1971. USSR. International Congress in Moscow.

~0⁶⁷ €

7d 21h 16m

despot55 (386)

Postmark 12th Congress of the Bulgarian Communist Party

~0¹³ €

19h 16m 16s

Ivodimitrov (1182)

1971. USSR. 24th Congress of the Communist Party of the USSR

~0³¹ €

7d 14h 6m

despot55 (386)

1971. Monaco. Congress of the Blood Donor Federation.

~0³⁶ €

5d 10h 6m

despot55 (386)

Bulgaria 80 Buzludzha Congress 1971

~1²⁸ €

2d 9h 45m

trini (96)

Postage stamps NRB 20 years FIR 1951 - 1971 1971

~0³⁹ €

3d 9h 51m

Ivodimitrov (1182)

1971. Rhodesia. International Congress of Geologists.

~7⁷⁰ €

7d 23h 56m

despot55 (386)

1977. USSR. 24th International Navigation Congress.

~0²¹ €

6d 9h 56m

despot55 (386)

Russia / USSR / 1971 Congress of the Communist Party of Ukraine My3847 clean

~0²⁶ €

1d 2h 7m

oleg66mirtchev (94)

1971. Romania. 50 years of the Romanian Communist Party.

~0⁴¹ €

6d 9h 51m

despot55 (386)

1971. Czechoslovakia. 50 years of the Czech Communist Party

~0⁵¹ €

4d 1h 51m

despot55 (386)

BULGARIA 1971 - SPRING 1971

~0¹⁰ €

8d 11h 21m

hrilis (160)

USSR 1971 - WORLD CONGRESS ON THE HISTORY OF SCIENCE

~0⁰⁸ €

3d 10h 36m

hrilis (160)

1971. USSR. Resolutions of the 24th Party Congress.

~0⁸⁷ €

6d 23h 31m

despot55 (386)

1971. Czechoslovakia. 50 years of the Czech Communist Party

~1¹⁸ €

3d 17h 51m

despot55 (386)