UNESCO First Day Envelope

€ 1⁵³ 
2⁹⁹ BGN

5d 23h 47m

stemi999 (256)

First Day Mailing Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

5d 16h 32m

emmy (631)

First Day Cover UNESCO 1946 1976

€ 153³⁹ 
300⁰⁰ BGN

6d 23h 22m

playgolf (126)

266660 / Bulgaria IPTZ 1984 - Pleven Day of the UN and UNESCO

€ 0²⁶ 
0⁵¹ BGN

3d 22h 51m

Stamps_Tim (382)

UNESCO First Day Envelope

€ 0⁹² 
1⁸⁰ BGN

5d 23h 47m

stemi999 (256)

UNESCO postal envelope

€ 0⁵¹ 
1⁰⁰ BGN

2d 14h 16m

stemi999 (256)

Clean Stamps UNESCO Architecture Taj Mahal 2014 from UN Vienna

€ 5⁰¹ 
9⁸⁰ BGN

2d 1h 11m

ESCC1 (277)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

€ 0³¹ 
0⁶¹ BGN

17h 1m 57s

ESCC1 (277)

First Day Mail. envelope FDC UNESCO

€ 0⁶⁶ 
1²⁹ BGN

4d 3h 17m

stemi999 (256)

UNESCO First Day Envelope

€ 4⁶⁰ 
9⁰⁰ BGN

3d 19h 52m

stemi999 (256)

1985 40th UNESCO, XXIII Regular Session of UNESCO, Block.

€ 0⁵⁹ 
1¹⁵ BGN

3d 18h 31m

Neron04 (312)

1981. France - UNESCO. World Heritage by UNESCO.

€ 0⁶⁶ 
1²⁹ BGN

4d 13h 11m

despot55 (406)

UKRAINE UKRAINE 5 g UNESCO - UNESCO 2004 NEW UNC BIMETAL

€ 5⁹⁹ 
11⁷² BGN

2h 31m 56s

HOBBINOTECOINS (911)

First day Envelope FDC UNESCO

€ 3⁵⁸ 
7⁰⁰ BGN

5d 23h 47m

stemi999 (256)

Postal envelope - Bulgaria 25 years a member of UNESCO

€ 0⁶¹ 
1¹⁹ BGN

9d 16h 47m

old_art (209)

Clean block UNESCO Lake Baikal 2024 from Russia

€ 7²⁶ 
14²⁰ BGN

17h 16m 57s

ESCC1 (277)

First Day Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

5d 16h 32m

emmy (631)

1981. France - UNESCO. World Heritage by UNESCO.

€ 0⁶⁶ 
1²⁹ BGN

4d 13h 11m

despot55 (406)