Carlo Crivelli's Annunciation and the problem of ornament. Carlo Crivelli's Annunciation is here examined in iconological and formal, historical and theoretical terms, allowing for the possibility of a renewed approach of the ornament. After drawing the political and religious implications of the work, its function as a civic ex-voto, the author focuses on its formal workings, revealing an ornamental order, which determines the decorative scheme as well as the work's system of signification.