This portrait shows the gray or black material lining her false sleeves and the gathering of skirt material towards the bodice. The Wikimedia caption for this image states, "Marguerite of Savoy is depicted in her wedding dress with embroidery of the ducal crown and the monogram "FGMA" (Francesco Gonzaga, Margaret)."
Keywords: 1608, Pourbus the Younger, Margherita di Savoia, duchessa di Mantova e di Monferrato, Margarida de Saboia, Vice-rainha de Portugal, Savoia family, Gonzaga family, curly coiffure, jeweled hat, hair jewelry, fitted slashed bodice, earrings, high enclosing neckline, lace wide deep neckline ruff, carcanet necklace, pendant, jeweled bodice ornament, tabbed hanging sleeves, lining, false sleeves, ruffled cuffs, bracelets, girdle, basque waistline, farthingale, saya, wedding dress