International Geophysical Year 1957
Now showing: USSR - Postage stamps - 1957 - International Geophysical Year - 1 stamps.
1957
International Geophysical Year
8. September WM: None Sheetsize: 72 Design: E. Gundobin Perforation: 12 x 12¼
![[International Geophysical Year, type BJD]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/BJD-s.jpg)