C212 / Bulgaria FDC orig print 1979 Space flight of the People's Republic of Bulgaria

~3⁵⁹ €

6d 9h 29m

Stamps_Tim (364)

Postal envelope - 10 years ferry complex in Varna

~0⁴⁶ €

6d 11h 9m

sk-phila (322)

267725 / Bulgaria IPTZ 1979 Joint space flight

~0³⁶ €

14h 14m 26s

Stamps_Tim (364)

Postal envelope IPTZ 1988 - 10 years of Varna railway administration

~0⁷⁷ €

6d 19h 4m

emmy (584)

Postal block 1989 - 10 years first joint flight

~1⁰² €

4d 19h 44m

iv_7 (554)

Commemorative envelope - USSR - Soyuz - Apollo space flight.

~0⁵¹ €

3d 4h 54m

Afilov0323 (30)

First Day Envelope 1978 Soviet-Czechoslovak Space Flight

~4¹¹ €

5d 4h 19m

trini (93)

36186 USSR space sign space flight Salyut Soyuz 10

~1⁵⁴ €

12h 9m 21s

velichkover (769)

IPTZ 2 st. seal Joint USSR-NRB space flight

~0⁶² €

6d 12h 34m

boby42 (488)

2 BGN 1988 Second joint space flight MINT #2

~5⁰⁸ €

5d 13h 19m

Jessie (862)

Envelope 60 years Bulgarian Post 1939 10

~2⁵⁷ €

4d 13h 9m

trini (93)

PP Soyuz-Apollo Space Flight

~0³¹ €

2d 12h 14m

stampstore (385)

"Second Joint Space Flight USSR-Bulgaria" Plaque 1988

~4⁶² €

9d 12h 4m

batkoto (836)

Space Dogs Mailing Envelope

~0⁴¹ €

5d 2h 59m

stemi999 (250)

Mailing envelope - Soviet space research

~0⁵¹ €

2d 10h 44m

old_art (189)

1979 P 1578 - Space flight of the USSR-PRC

~0⁷⁷ €

7h 1m 36s

нимлад (98)

2 leva 1988 (Second joint space flight)

~23¹⁰ €

3d 13h 44m

lyubomiril2205 (0)

1989 P 2694 - 10 years Soviet-Bulgarian space flight

~0⁶⁷ €

7h 3m 44s

нимлад (98)