Erik Boeré Philatelie : Stamps for sale - Berlin
Now showing: Berlin - Postage stamps (1948 - 1990) - 2 stamps.
1977
The 100th Anniversary of the Establishing of Patents
13. July WM: None Perforation: 14
![[The 100th Anniversary of the Establishing of Patents, type PR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Berlin/Postage-stamps/PR-s.jpg)
1977
The 100th Anniversary of the Establishing of Patents
13. July WM: None Perforation: 14
![[The 100th Anniversary of the Establishing of Patents, type PR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Berlin/Postage-stamps/PR-s.jpg)