The 100th Anniversary of the Birth of M.A.Bonch-Bruevich 1988
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1988
The 100th Anniversary of the Birth of M.A.Bonch-Bruevich
21. February VM: Ingen Arkstørrelse: 50 Design: V. Nikitin Perforering: 11½
![[The 100th Anniversary of the Birth of M.A.Bonch-Bruevich, type HAB]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/HAB-s.jpg)
