The 100th Anniversary of the Invention of the Telephone by Alexander Graham Bell 1974
Now showing: Canada - Postage stamps - 1974 - The 100th Anniversary of the Invention of the Telephone by Alexander Graham Bell - 1 stamps.
1974
The 100th Anniversary of the Invention of the Telephone by Alexander Graham Bell
26. July WM: None Perforation: 12½
![[The 100th Anniversary of the Invention of the Telephone by Alexander Graham Bell, type RK]](https://www.stampworld.com/media/catalogue/Canada/Postage-stamps/RK-s.jpg)