A decisive portrait establishing the intellectual and economic autonomy of Maria van Oosterwijck, one of the few female artists of the Dutch Golden Age to secure a international royal clientele (including Louis XIV and Emperor Leopold I). Vaillant—a central innovator in spreading mezzotint printmaking across Northern Europe—subverts 17th-century tropes of female portraiture. By directly coupling the tools of paintwork (palette, brushes) with an open theological volume, the painting elevates floral still-life execution from mere decorative craft (ars) to a high-minded, devout meditation on vanitas.