Switzerland - First Day Cover - Archaeological Finds (1974)

€ 0⁸⁵ 
1⁶⁶ BGN

6d 9h 25m

secko (164)

First day envelope 1974 Hungary city of Pecs

€ 15³⁴ 
30⁰⁰ BGN

1d 11h 28m

trini (167)

Switzerland - First Day Cover - Events (1974)

€ 0³⁰ 
0⁵⁹ BGN

6d 9h 25m

secko (164)

Bulgaria first day envelope on №2522 from the catalog from 1975.

€ 1⁵³ 
2⁹⁹ BGN

5d 11h 21m

stoian76 (676)

President Kennedy Commemorative First Day Envelope, 1974 Boston

€ 2⁰⁵ 
4⁰¹ BGN

3d 4h 30m

emmy (684)

First Day Cover from 1974 of No. 2408/10

€ 0²⁶ 
0⁵¹ BGN

2d 2h 21m

stoian76 (676)

Bulgaria's first-day envelope of No. 2439 from the 1974 catalog.

€ 0²⁶ 
0⁵¹ BGN

3d 7h 46m

stoian76 (676)

First-day envelope 1974 Bulgaria 10 years Pharmachem

€ 2⁵⁶ 
5⁰¹ BGN

1d 11h 28m

trini (167)

First Day Mailing Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

2d 3h 51m

emmy (684)

First Day Envelope Folk Tales 1974 from Japan

€ 2⁵⁶ 
5⁰¹ BGN

6d 10h 36m

ESCC1 (295)

First day Bulgaria 1974

€ 2⁵⁶ 
5⁰¹ BGN

3h 11m 22s

Ispor (202)

OLD PHOTO - CARDBOARD - 2440

€ 12⁹⁹ 
25⁴¹ BGN

6d 23h 6m

храев (517)

First day Envelope Circus FDC

€ 0⁹⁷ 
1⁹⁰ BGN

10h 41m 37s

stemi999 (258)

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

€ 0⁴⁰ 
0⁷⁸ BGN

6d 9h 25m

secko (164)

First Day Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

2d 3h 51m

emmy (684)

Mailing envelope with t sign 5 st 1987 NINTH OCTOBER 2440

€ 0⁴⁶ 
0⁹⁰ BGN

7d 23h 16m

philatelist#1 (201)

Bulgaria ILLUSTRATED envelope WITH FIRST DAY POSTMARK 2015 Europe

€ 0⁷⁷ 
1⁵¹ BGN

3d 8h 31m

stoian76 (676)

Switzerland - First Day Cover - Definitive stamps (1974)

€ 1³⁵ 
2⁶⁴ BGN

6d 9h 25m

secko (164)