International Hydrological Decade 1965-1974 1968
Sedaj prikazano: Mavretanija - Poštne znamke - 1968 - International Hydrological Decade 1965-1974 - 1 znamke.
Sedaj prikazano: Mavretanija - Poštne znamke - 1968 - International Hydrological Decade 1965-1974 - 1 znamke.
![[International Hydrological Decade 1965-1974, tip HS]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/HS-s.jpg)
