Switzerland - First Day Cover - Definitive Stamps (1970)

€ 0³⁰ 
0⁵⁹ BGN

5d 14h 57m

secko (164)

First Day Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

1d 9h 22m

emmy (684)

Postal envelope IPTZ 1983 - Songurlare, 75 years. post office

€ 0⁵⁰ 
0⁹⁸ BGN

15h 17m 48s

emmy (684)

First day envelope - 75 years. from the birth of GUNDI

€ 18⁰⁰ 
35²¹ BGN

1d 2h 17m

baterosko (120)

Cyprus - First Day Cover - Year of Conservation...(1970)

€ 0⁴⁰ 
0⁷⁸ BGN

2d 15h 22m

secko (164)

Yugoslavia - First Day Cover - Mosaics (1970)

€ 0³⁵ 
0⁶⁸ BGN

4d 13h 59m

secko (164)

UNUSED MAIL ENVELOPE 75 YEARS TRANSPORT UNION 1983 5 pcs

€ 1⁴⁹ 
2⁹¹ BGN

1d 4h 42m

HOBBINOTECOINS (1010)

Postal envelope IPTZ 1981 - Borovan village, 75 years old. People's community center

€ 0⁶⁰ 
1¹⁷ BGN

5d 16h 32m

emmy (684)

IPTZ 5 st. 1983 - Vladimirovo, 75 years of PTT station

€ 0⁶⁶ 
1²⁹ BGN

3d 3h 27m

emmy (684)

Postal Envelope, Bulgaria 10 years of Sliven Fires May'75

€ 0⁷⁷ 
1⁵¹ BGN

9d 15h 12m

opil (60)

Switzerland - First Day Cover - Anniversaries (1970)

€ 0⁵⁰ 
0⁹⁸ BGN

5d 14h 57m

secko (164)

Postal envelope IPTZ 1983 - village of Pavel, 75 years PTT Station

€ 0⁶¹ 
1¹⁹ BGN

3d 13h 12m

emmy (684)

271750 / Bulgaria IPTZ 1986 - 75 years DFS Levski Spartak 1911

€ 0⁵¹ 
1⁰⁰ BGN

2d 6h 37m

Stamps_Tim (386)

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

€ 0⁷⁴ 
1⁴⁵ BGN

6d 12h 8m

Ivodimitrov (1320)

Postal envelope IPTZ 1982 - Sadovo, 75 years of PTT station

€ 0⁵⁶ 
1¹⁰ BGN

6d 7h 7m

emmy (684)

Postal Envelope, Bulgaria 10 years of Sliven Fires May'75

€ 0⁷⁷ 
1⁵¹ BGN

9d 15h 12m

opil (60)

FDC - First Day Cover - 75 years since the expedition to... (1984)

€ 0⁶⁰ 
1¹⁷ BGN

4d 11h 38m

secko (164)

First Day Mailing Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

1d 9h 22m

emmy (684)