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The reverse of the coin features the building and the gold-plated logo of the University...
The reverse of the coin features an image of Gotse Delchev. 150 ГОДИНИ ОТ РОЖДЕНИЕТО...
The reverse of the coin features: a portrait of Hristo Botev and his signature....
The reverse of the coin features an image of G. S. Rakovski; on the left the inscription...
The reverse of the coin features the Biblical subject of the Nativity; the inscription...