Bulgaria first day cover No. 2046 from the 1970 catalog.

€ 0⁵¹ 
1⁰⁰ BGN

4d 8h 47m

stoian76 (674)

Switzerland - First Day Cover - 150 years of postage stamps..(1993)

€ 0⁷⁰ 
1³⁷ BGN

2d 12h 3m

secko (162)

Switzerland - First Day Cover - 75 years of Swiss... (1970)

€ 0³⁵ 
0⁶⁸ BGN

2d 9h 38m

secko (162)

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€ 2⁵⁶ 
5⁰¹ BGN

3d 7h 23m

trini (167)

First Day Cover 1998 - "Helicopters"

€ 1⁰⁰ 
1⁹⁶ BGN

6d 8h 37m

iv_7 (617)

Switzerland - First Day Cover - Definitive Stamps (1984)

€ 1⁵⁰ 
2⁹³ BGN

2d 11h 43m

secko (162)

Switzerland - First Day Cover - Definitive stamps (1982)

€ 1³⁵ 
2⁶⁴ BGN

2d 11h 23m

secko (162)

Switzerland - First Day Cover - Anniversaries (1970)

€ 0⁵⁰ 
0⁹⁸ BGN

2d 9h 33m

secko (162)

Switzerland - First Day Cover - Definitive Stamps (1983)

€ 1³⁵ 
2⁶⁴ BGN

2d 11h 33m

secko (162)

Switzerland - First Day Cover - Postage Stamps (1981)

€ 0⁹⁰ 
1⁷⁶ BGN

3d 10h 7m

secko (162)

Switzerland - First Day Cover Set - Regular Stamps (1993)

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1¹⁷ BGN

2d 12h 18m

secko (162)

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€ 2⁵⁶ 
5⁰¹ BGN

5d 4h 52m

emmy (678)

First day envelope Space USSR 1970 Mi 3779

€ 0⁸⁹ 
1⁷⁴ BGN

2d 20h 27m

stf_57 (66)

Switzerland - First Day Cover - Definitive stamps (1977)

€ 1⁰⁰ 
1⁹⁶ BGN

2d 10h 28m

secko (162)

First Day Cover 1998 - "Helicopters"

€ 1⁰⁰ 
1⁹⁶ BGN

6d 8h 37m

iv_7 (617)

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1⁵¹ BGN

6d 9h 29m

stoian76 (674)

First Day Cover 25 Years of the United Nations 1945 - 1970 1970

€ 0⁷⁴ 
1⁴⁵ BGN

3d 4h 27m

Ivodimitrov (1313)

First day cover 1998 - "50 years of CSKA"

€ 5⁰⁰ 
9⁷⁸ BGN

9d 2h 7m

iv_7 (617)