Monaco
Now showing: Monaco - Postage stamps (1885 - 2024) - 1 stamps.
1987
The 300th Anniversary of the Publication of Principia Mathematica
16. November WM: None Sheetsize: 30 Design: Jumelet. Perforation: 13 x 12¾
![[The 300th Anniversary of the Publication of Principia Mathematica, type BTE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Monaco/Postage-stamps/BTE-s.jpg)