From Wikimedia; shadows partially filled in and exposure increased a small amount.
This portrait of Ludwika Maria could have been painted in the studio of one of the Beaubrun brothers.
Keywords: Ludwika Maria Gonzaga, Gonzaga family, Vasa family, Queen, Polish, proto-hurluberlu coiffure, bun, off shoulder scoop neckline, bertha, jeweled bodice, elbow length puffed sleeves, back-flared cuffs, bows, deep vee waistline, full skirt, necklace, brooch