Bulgaria first day envelope on №2522 from the catalog from 1975.

1⁵³ €

2d 15h 51m

stoian76 (676)

Bulgaria first-day airmail envelope No. 2704/06 from 1975

0⁷⁷ €

1d 15h 6m

stoian76 (676)

Switzerland - First Day Cover - Archaeological Finds (1975)

0⁹⁰ €

3d 13h 55m

secko (164)

Switzerland - First Day Cover - Events (1975)

0⁴⁵ €

3d 13h 55m

secko (164)

Bulgaria's first-day envelope of №2477 / 81 since 1975

0⁷⁷ €

3d 13h 11m

stoian76 (676)

Bulgaria First Day Cover of No. 2506 from the 1975 catalog

2⁰⁵ €

1d 6h 1m

stoian76 (676)

First day envelope - "Soyuz-Apollo" July 15, 1975

0⁶⁶ €

6d 5h 21m

emmy (684)

Switzerland - First Day Cover - Events - 100th Anniversary of ...(1979)

0⁵⁵ €

3d 14h 17m

secko (164)

Bulgaria first-day envelope air mail №2704 / 06 since 1975

2⁰⁵ €

1d 15h 6m

stoian76 (676)

EUROPE CEPT first day cover Austria 1975

2⁵⁶ €

3h 1m 5s

trini (167)

Bulgaria an ancient envelope of No. 2488/93 from 1975

0⁷⁷ €

3d 13h 11m

stoian76 (676)

Bulgaria's first-day envelope at No. 2470/76 since 1975

1⁵³ €

6d 12h 36m

stoian76 (676)

Switzerland - First Day Cover - Anniversaries/100 years ... (1983)

0⁵⁵ €

3d 15h 2m

secko (164)

Switzerland - First Day Cover - People at Work (1975)

0⁴⁰ €

3d 13h 55m

secko (164)

Switzerland - First Day Cover - 100th Anniversary of the Universal Postal Union (1974)

0⁴⁰ €

3d 13h 55m

secko (164)

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

0⁸⁴ €

1h 36m 22s

stf_57 (67)

Philippines - First Day Cover - Philippine Fee...(1975)

0⁶⁰ €

15h 21m 47s

secko (164)

Enrichment Envelope Constituent Assembly 1975 from Portugal

4³⁵ €

3d 15h 11m

ESCC1 (296)