Srpska Kniga 3, by Nikola Kovanovic, is a free Cyrillic serif display font with a distinctly old-book mood. The letters are tall and high-contrast, with sharp wedge-like strokes and a narrow, stately rhythm that feels closer to engraved title pages than to everyday text.
It fits book covers, cultural posters, museum graphics, historical branding, and editorial title cards where that formal Slavic character can carry the message. As a free font, it also makes sense for monograms, drop caps, and short headline work, because the caps have enough drama to hold a line with very few letters.