1963 (September 19). International Congress of Slavists.

~0¹³ €

5d 5h 15m

despot55 (369)

1963. Czechoslovakia. Sports events since 1963.

~1⁸⁰ €

8h 30m 50s

despot55 (369)

1963. Czechoslovakia. International Congress of Beekeepers.

~0⁴⁶ €

8h 30m 50s

despot55 (369)

1963. Czechoslovakia. Sports events since 1963.

~1⁸⁰ €

9d 16h 10m

despot55 (369)

V Philatelic Congress V. Tarnovo 1947 1 # 13

~0³¹ €

5d 7h 45m

trini (78)

BK 645 square V philatelic congress V. Tarnovo

~0⁴¹ €

3d 17h 30m

boby42 (479)

1963. Belgium. International Congress of Twin Cities.

~0³¹ €

6d 22h 50m

despot55 (369)

1963. Czechoslovakia. Sports events since 1963.

~1⁸⁰ €

3d 16h 55m

despot55 (369)

1963. Czechoslovakia. 2nd International Pharmacological Congress

~0⁴¹ €

8h 30m 50s

despot55 (369)

1460 Bulgaria 1963 V Inter-People's Congress of the Slavs **

~0⁰⁸ €

9d 19h 56m

Stamps_Tim (356)

Bulgaria 1963 September Uprising 1923 - 1963

~0⁵¹ €

5d 16h 35m

trini (78)

1963. Bulgaria. International Women's Congress, Moscow.

~0²¹ €

9d 9h 25m

despot55 (369)

1963. Belgium. International Postal Congress, Paris 1963.

~0³¹ €

6d 22h 50m

despot55 (369)

1963. Czechoslovakia. 30th International Foundry Congress, Prague

~0⁴¹ €

8h 30m 50s

despot55 (369)

Postage stamps NRB 5 cents V Congress of Slavists 1963

~0⁶⁹ €

2d 22h 35m

Ivodimitrov (1139)

1963. Belgium. International Postal Congress, Paris 1963.

~0²⁶ €

7d 18h 10m

despot55 (369)

Postage stamp NRB 5 cents V Congress of Slavists 1963

~0²³ €

2d 22h 35m

Ivodimitrov (1139)

1963. Bulgaria. V International Congress of Slavists.

~0²¹ €

9d 9h 25m

despot55 (369)