Srpska Kniga 34, by Nikola Kovanovic, is a free Cyrillic display font with a hand-drawn, book-cover character. The letters mix broad rounded curves with blunt verticals and those sharp little inward cuts, giving the font a folk-inflected, slightly carved feel rather than a neutral outline style.
It fits poster titles, cultural event graphics, book jackets, editorial cover lines, and short branding where a free font can bring a regional, literary tone without feeling antique. Because the forms are open and emphatic, it also works well for title cards and monogram-like initials where those notched curves do most of the talking.