Tchad
Montre maintenant: Tchad - Timbres-Poste (1922 - 2021) - 2 Timbres-poste.
1979
Airmail - Olympic Games - Moscow 1980, USSR
30. novembre WM: Aucun Perforation: 14
1981
Various Stamps Overprinted "POSTES 1981" or Surcharged also
15. novembre WM: Aucun