The 350th Anniversary of the Invention of the Calculating Machine 1973
Now showing: Germany - Postage stamps - 1973 - The 350th Anniversary of the Invention of the Calculating Machine - 1 stamps.
1973
The 350th Anniversary of the Invention of the Calculating Machine
12. June WM: None Perforation: 14.
![[The 350th Anniversary of the Invention of the Calculating Machine, type UW]](https://www.stampworld.com/media/catalogue/Germany/Postage-stamps/UW-s.jpg)