The 150th Anniversary of the Birth of Ivan M. Gubkin, 1871-1939 2021
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2021
The 150th Anniversary of the Birth of Ivan M. Gubkin, 1871-1939
28. October WM: None Sheetsize: 15 Design: Podobed M Perforation: 12 x 12½
![[The 150th Anniversary of the Birth of Ivan M. Gubkin, 1871-1939, type DGY]](https://www.stampworld.com/media/catalogue/Russia/Postage-stamps/DGY-s.jpg)
