USSR 1971 - WORLD CONGRESS ON THE HISTORY OF SCIENCE

~0⁰⁸ €

16h 25m 35s

hrilis (160)

Postage stamps NRB 20 years FIR 1951 - 1971 1971

~0³⁹ €

4d 15h 40m

Ivodimitrov (1188)

1971. Rhodesia. International Congress of Geologists.

~7⁷⁰ €

5d 5h 45m

despot55 (387)

Bulgaria 1971 Olympic Congress Varna

~0⁵¹ €

1d 19h 45m

trini (99)

GDR 1971 Special edition 8th Congress of the GSDP

~2⁸⁷ €

9d 17h 45m

oleg66mirtchev (94)

1971. Monaco. Congress of the Blood Donor Federation.

~0³⁶ €

2d 18h 10m

despot55 (387)

Postmark NRB XI Congress of the SBF Sofia 1971

~0²³ €

16h 15m 37s

Ivodimitrov (1188)

2171 Bulgaria 1971 XI congress of the Union of Bulgarian Students, Sofia **

~0²⁵ €

11h 41m 45s

Stamps_Tim (364)

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

~0⁸⁷ €

4d 5h 20m

despot55 (387)

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

~0³¹ €

4d 16h 45m

despot55 (387)

1971. San Marino. Congress of philatelists in Italy.

~0⁶⁷ €

5h 42m 29s

despot55 (387)

Postage stamps NRB Kiril Tsonev 1896 - 1971 1971

~1¹⁰ €

16h 15m 37s

Ivodimitrov (1188)

Bulgaria Square 80 Buzludzha Congress 1971

~2⁰⁵ €

3d 14h 42m

trini (99)

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

~0³¹ €

4d 19h 55m

despot55 (387)

BULGARIA 1971 - 10th BCP CONGRESS

~0¹⁰ €

5d 16h 28m

hrilis (160)

1971. Monaco. Congress of the Blood Donor Federation.

~0³⁶ €

2d 18h 10m

despot55 (387)

1971. Bulgaria. Philatelic Congress, Sofia.

~0⁴¹ €

1d 16h 10m

despot55 (387)

1971. Rhodesia. International Congress of Geologists.

~4⁸⁸ €

5d 5h 45m

despot55 (387)