Traveled envelope bearing the UNESCO 2011 cathedral from Germany

~0³¹ €

2d 19h 36m

ESCC1 (257)

1981. France - UNESCO. World Heritage by UNESCO.

~0⁶⁷ €

6d 6h 11m

despot55 (387)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

~0³¹ €

21h 46m 24s

ESCC1 (257)

268086 / Bulgaria PPTZ 1985 UNESCO Conference

~0²⁶ €

7d 6h 31m

Stamps_Tim (364)

UNESCO First Day Envelope

~0⁹² €

6d 9h 51m

stemi999 (251)

1981. France - UNESCO. World Heritage by UNESCO.

~0⁶⁷ €

6d 6h 11m

despot55 (387)

First Day Envelope Airships, First Day, 2000

~2⁵⁷ €

3d 2h 50m

emmy (595)

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

~0⁵⁹ €

7d 4h 56m

Neron04 (308)

UKRAINE UKRAINE 5 g UNESCO - UNESCO 2004 NEW UNC BIMETAL

~6¹⁶ €

1d 19h 36m

HOBBINOTECOINS (812)

Postal envelope - Bulgaria 25 years a member of UNESCO

~0⁶² €

1d 18h 51m

old_art (192)

First Day Mailing Envelope Airships, First Day, 2000

~2⁵⁷ €

3d 2h 50m

emmy (595)

UNESCO First Day Envelope

~0⁷⁷ €

6d 9h 51m

stemi999 (251)

Clean block UNESCO Lake Baikal 2024 from Russia

~7²⁹ €

2d 0h 21m

ESCC1 (257)

1982. France - UNESCO. UNESCO World Heritage Site.

~1¹⁸ €

9d 12h 51m

despot55 (387)

1981. France - UNESCO. World Heritage by UNESCO.

~0⁶⁷ €

6d 6h 11m

despot55 (387)

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

~0²⁶ €

1d 8h 21m

Stamps_Tim (364)

1984. France - UNESCO. UNESCO World Heritage Site.

~1⁶⁴ €

5d 21h 11m

despot55 (387)

First Day Cover - Bulgaria 25 Years Member of UNESCO

~0⁵¹ €

6d 23h 12m

sk-phila (328)