Cosmos first day envelope

~0⁵¹ €

6d 9h 7m

stemi999 (251)

Complementary postal envelope Cosmos

~0⁶⁷ €

6d 9h 7m

stemi999 (251)

270056 / Bulgaria IPTZ 1979 Nikola Vaptsarov 1909-1979

~0³⁶ €

6d 4h 42m

Stamps_Tim (364)

First day envelope Space Apollo-Union Poland 1975 Mi 2386-88

~0⁸⁵ €

8d 21h 37m

stf_57 (61)

POSTAL ENVELOPE TRAVELED FROM USA TO BULGARIA - 1975

~0⁴¹ €

1d 8h 37m

hrilis (160)

Complementary postal envelope Cosmos

~0⁸⁷ €

6d 9h 7m

stemi999 (251)

Marathon Space Envelope Cosmos

~0⁴⁶ €

5d 9h 32m

stemi999 (251)

Cosmos LUNA first day postal envelope

~3⁰⁸ €

6d 9h 7m

stemi999 (251)

Traveled envelope with the 2007 and Cosmos 2011 marks from Romania

~2⁸⁷ €

5d 22h 7m

ESCC1 (257)

Complementary postal envelope Cosmos

~0⁴⁶ €

6d 9h 7m

stemi999 (251)

Traveled with Cosmos 1993 envelope from Kazakhstan

~2⁵⁷ €

5d 22h 7m

ESCC1 (257)

Marathon Space Envelope Cosmos

~0⁵¹ €

6d 9h 7m

stemi999 (251)

Cosmos first day envelope

~0⁷⁷ €

6d 9h 7m

stemi999 (251)

Folding Postage Envelope FDC COSMOS

~1⁰³ €

2d 12h 22m

stemi999 (251)

POSTAL ENVELOPE TRAVELED FROM USA TO BULGARIA - 1975

~0²¹ €

2d 23h 7m

hrilis (160)

Folding Postage Envelope FDC COSMOS

~0⁵¹ €

2d 12h 22m

stemi999 (251)

1975. Iceland. Traveled envelope.

~0⁶⁷ €

16h 57m 45s

despot55 (387)

Folding Postage Envelope FDC COSMOS

~1⁰³ €

2d 12h 22m

stemi999 (251)