This dress was once thought to belong to Eleonora de Toledo. According to Karen's Sewing Korner, it is very close in style to the gown Eleonora was buried in (left image from sketch by Janet Arnold in Patterns of Fashion).
Left image from www.naergilien.info/my-costumes/elizabethan/eleonora-di-toledo/. Center and right images from cockatricearts.blogspot.com/2011/04/. The combined image, including white background, is 23 cm high at 118.11 pixels/cm.
The materials make these dresses relatively simple and elegant, yet sumptuous. The Lady's dress has minimal rolled sleeves with puffed cloth ornaments.
Keywords: 1560s, bateau neckline, long close sleeves, cuffs, vee waistline, full skirt