The 100th Anniversary of the Telephone Exchange 1981
Montre maintenant: Hongrie - Timbres-Poste - 1981 - The 100th Anniversary of the Telephone Exchange - 1 Timbres-poste.
Montre maintenant: Hongrie - Timbres-Poste - 1981 - The 100th Anniversary of the Telephone Exchange - 1 Timbres-poste.
![[The 100th Anniversary of the Telephone Exchange, type DXM]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/DXM-s.jpg)
