The 25th Anniversary of the UNESCO International Oceanographic Commission 1985
Now showing: Bulgaria - Postage stamps - 1985 - The 25th Anniversary of the UNESCO International Oceanographic Commission - 1 stamps.
1985
The 25th Anniversary of the UNESCO International Oceanographic Commission
1. March WM: None Perforation: 13
![[The 25th Anniversary of the UNESCO International Oceanographic Commission, type ]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/3351-b.jpg)
