UNESCO postal envelope

~0⁵¹ €

3d 21h 37m

stemi999 (251)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

~0³¹ €

2d 19h 27m

ESCC1 (257)

Book UNESCO A Legacy for all UNESCO

~23⁶¹ €

5d 22h 48m

crazzy_kami (198)

1981. France - UNESCO. World Heritage by UNESCO.

~0⁶⁷ €

6d 6h 2m

despot55 (387)

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

~0⁵⁹ €

7d 4h 47m

Neron04 (308)

UNESCO First Day Envelope

~4⁶² €

2d 3h 27m

stemi999 (251)

UNESCO First Day Envelope

~0⁹² €

6d 9h 42m

stemi999 (251)

First Day Cover - Bulgaria 25 Years Member of UNESCO

~0⁵¹ €

6d 23h 3m

sk-phila (328)

UNESCO First Day Envelope

~1⁵⁴ €

6d 9h 42m

stemi999 (251)

Postal envelope - Bulgaria 25 years a member of UNESCO

~0⁶² €

1d 18h 42m

old_art (192)

1984. France - UNESCO. UNESCO World Heritage Site.

~1⁶⁴ €

5d 21h 2m

despot55 (387)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

~0³¹ €

2d 19h 27m

ESCC1 (257)

Envelope - First day - 25 years Bulgaria member of UNESCO

~0⁴¹ €

1d 5h 37m

sk-phila (328)

1981. France - UNESCO. World Heritage by UNESCO.

~0⁶⁷ €

6d 6h 2m

despot55 (387)

Traveled envelope bearing the UNESCO 2011 cathedral from Germany

~0³¹ €

21h 37m 30s

ESCC1 (257)

268086 / Bulgaria PPTZ 1985 UNESCO Conference

~0²⁶ €

7d 6h 22m

Stamps_Tim (364)

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

~0²⁶ €

1d 8h 12m

Stamps_Tim (364)

First Day Envelope Airships, First Day, 2000

~2⁵⁷ €

3d 2h 41m

emmy (595)