Abstract: This paper presents an analysis and interpretation of so- called early miniature school of Heart, one of the most peculiar and elaborate miniature style of 15th century, which is bright colored illustrations with complete theme. The detailed documentations of all the objects bearing the style makes it possible to recognize not only a basic set of combination and some aspects of their possible change in time, but also visual levels of art. The sophisticated structure of these images fully deserves to be consided and early form of miniature.