Postmark NRB Fifth Congress of BTS Sofia 1977

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3d 4h 37m

Ivodimitrov (1255)

Postage stamps NRB VIII int. biennial of humor and arts

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Ivodimitrov (1255)

Postage stamps NRB Universiade '77 Sofia 1977

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6d 13h 57m

Ivodimitrov (1255)

Postage stamp NRB VIII congress of the IAS Sofia 1964

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4d 16h 12m

Ivodimitrov (1255)

Bulgaria 1964 VIII Congress of the IAS Sofia

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6d 14h 5m

trini (144)

Postmark NRB VIII int. biennial of humor and arts

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4d 1h 32m

Ivodimitrov (1255)

Postage stamps NRB VIII World Youth Festival 1962

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2d 21h 7m

Ivodimitrov (1255)

1964. Bulgaria. VIII Congress of IAS, Sofia.

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4d 4h 12m

despot55 (406)

Postage stamp NRB VIII world. trade union congress Varna

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Ivodimitrov (1255)

Postage stamp NRB FIA World Congress Sofia'74

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Ivodimitrov (1255)

Postage stamps NRB VIII Congress of the BCP 1962

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Ivodimitrov (1255)

Postage stamp NRB VIII congress of the IAS Sofia 1964

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Ivodimitrov (1255)

Postage stamp NRB VIII Congress Patriotic Front Sofia '77

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Ivodimitrov (1255)

Bulgaria 1977 VIII Congress of the Bulgarian Trade Unions

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trini (144)

BULGARIA 1977 - 8TH BPS CONGRESS

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1d 23h 42m

hrilis (164)

First day postal envelope VIII Congress of the BPS 1977

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1d 11h 57m

Ivodimitrov (1255)

Postmark NRB VIII int. biennial of humor and arts

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2d 15h 42m

Ivodimitrov (1255)

BPS VIII CONGRESS FIRST DAY POSTAL ENVELOPE 1977

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luba_mateva (1223)