The 50th Anniversary of International Hydrographic Bureau 1971
Now showing: Monaco - Postage stamps - 1971 - The 50th Anniversary of International Hydrographic Bureau - 1 stamps.
1971
The 50th Anniversary of International Hydrographic Bureau
6. September WM: None Sheetsize: 30 Perforation: 13
![[The 50th Anniversary of International Hydrographic Bureau, type AMW]](https://www.stampworld.com/media/catalogue/Monaco/Postage-stamps/AMW-s.jpg)