The 60th Anniversary of the Mining and Geology University St. Ivan of Rila 2013
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2013
The 60th Anniversary of the Mining and Geology University
St. Ivan of Rila
28. maj WM: Inga storlek på arket: 50 Design: Georgi Yankov Perforering: 13
![[The 60th Anniversary of the Mining and Geology University
St. Ivan of Rila, Typ GUR]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/GUR-s.jpg)
