The 100th Anniversary of the Torsion Pendulum 1991
Sedaj prikazano: Madžarska - Poštne znamke - 1991 - The 100th Anniversary of the Torsion Pendulum - 1 znamke.
Sedaj prikazano: Madžarska - Poštne znamke - 1991 - The 100th Anniversary of the Torsion Pendulum - 1 znamke.
![[The 100th Anniversary of the Torsion Pendulum, tip EVT]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/EVT-s.jpg)
