First day cover-NRB-1948-Congress of the Socialist Workers' Party-4

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2⁹³ BGN

6d 1h 24m

gperoto (158)

First day postal envelope 80 Buzludzha Congress 1971

€ 0⁷² 
1⁴¹ BGN

2d 19h 2m

trini (167)

First Day Envelope Folk Tales 1974 from Japan

€ 2⁵⁶ 
5⁰¹ BGN

3d 22h 54m

ESCC1 (292)

First day Bulgaria 1974

€ 2⁵⁶ 
5⁰¹ BGN

12h 19m 53s

Ispor (200)

270880 / pure Bulgaria IPTZ 1989 IFP Day IFP Congress

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0⁹⁰ BGN

20h 29m 55s

Stamps_Tim (386)

268674 / Bulgaria IPTZ 1981 UPU Universal Postal Union

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0³⁹ BGN

9d 22h 54m

Stamps_Tim (386)

268671 / Bulgaria IPTZ 1981 UPU Universal Postal Union

€ 0²⁰ 
0³⁹ BGN

20h 29m 55s

Stamps_Tim (386)

First Day Cover from 1974 of No. 2408/10

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0⁵¹ BGN

1d 19h 9m

stoian76 (673)

Switzerland - First Day Cover - 100th Anniversary of the Universal Postal Union (1974)

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0⁷⁸ BGN

6d 2h 14m

secko (160)

First Day Mailing Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

1d 20h 34m

emmy (673)

Switzerland - First Day Cover - Archaeological Finds (1974)

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1⁶⁶ BGN

6d 2h 9m

secko (160)

First day envelope 1974 Hungary city of Pecs

€ 15³⁴ 
30⁰⁰ BGN

6d 22h 43m

trini (167)

President Kennedy Commemorative First Day Envelope, 1974 Boston

€ 2⁰⁵ 
4⁰¹ BGN

2d 16h 19m

emmy (673)

Switzerland - First Day Cover - Events (1974)

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0⁶⁸ BGN

6d 2h 14m

secko (160)

First postal envelope 1974 - "World Cup Germany 1974"

€ 2⁰⁰ 
3⁹¹ BGN

7d 1h 59m

iv_7 (616)

First-day envelope 1974 Bulgaria 10 years Pharmachem

€ 2⁵⁶ 
5⁰¹ BGN

6d 22h 43m

trini (167)

269638 / Bulgaria IPTZ 1979 UPU Universal Postal Union

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0⁶¹ BGN

6d 0h 4m

Stamps_Tim (386)

Switzerland - First Day Cover - Events (1974)

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0⁵⁹ BGN

6d 2h 4m

secko (160)