The 100th Anniversary of the Telephone Exchange 1981
Visar nu: Ungern - Postfrimärken - 1981 - The 100th Anniversary of the Telephone Exchange - 1 frimärken.
Visar nu: Ungern - Postfrimärken - 1981 - The 100th Anniversary of the Telephone Exchange - 1 frimärken.
![[The 100th Anniversary of the Telephone Exchange, Typ DXM]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/DXM-s.jpg)
