First day mail. envelope 100 years. Bulgarian postage stamp 1979

€ 0⁸⁴ 
1⁶⁴ BGN

4d 19h 3m

Ivodimitrov (1315)

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

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3d 19h 3m

secko (164)

Traveled first-day envelope 100 years May 1, 1988 from the USSR

€ 1⁵³ 
2⁹⁹ BGN

3d 20h 34m

ESCC1 (295)

First day envelope - 100 years of diesel engine

€ 2⁵⁶ 
5⁰¹ BGN

6d 13h 18m

emmy (681)

Switzerland - First Day Cover - 100 years of railway... (1982)

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3d 20h 28m

secko (164)

Liechtenstein - First Day Cover - Saints (1968)

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5d 21h 23m

secko (164)

Switzerland - First Day Cover - 500th Anniversary of the Birth... (1993)

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1³⁷ BGN

3d 21h 8m

secko (164)

First Day Mailing Envelope Sport Olympic Games 1968

€ 1⁰² 
1⁹⁹ BGN

6d 19h 43m

stemi999 (258)

Switzerland - First Day Cover - Anniversaries/100 years ... (1983)

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1⁰⁸ BGN

3d 20h 38m

secko (164)

Switzerland - First Day Cover - Arts (1968)

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2d 16h 58m

secko (164)

First day post envelope 1992 - "100 years of Plovdiv Fair"

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1⁵⁶ BGN

17h 18m 32s

iv_7 (618)

First Day Cover 2021 - 100th anniversary of the birth of John Glenn

€ 4⁵⁰ 
8⁸⁰ BGN

1d 17h 8m

iv_7 (618)

First day mail envelope 2005 - 200 years from birth of Hans Andersen

€ 2⁵⁰ 
4⁸⁹ BGN

2d 10h 53m

iv_7 (618)

Switzerland - First Day Cover - 100 years of ...(1975)

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1⁰⁸ BGN

3d 19h 23m

secko (164)

Germany - First Day Cover - 100 g. North German... (1968)

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0⁵⁹ BGN

6d 18h 18m

secko (164)

First-day envelope - 100 years of Bulgarian communications 1879-1979

€ 1⁰² 
1⁹⁹ BGN

2d 14h 23m

emmy (681)

7 first day envelopes Bulgaria 1967 and 1968 year #1

€ 3⁰⁰ 
5⁸⁷ BGN

5d 20h 7m

trini (167)

Postal envelope - 100 years since the birth of Anton Ivanov

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5d 11h 23m

old_art (220)