Portrait painter, "Sophie Charlotte Friederike, Prinzessin von Anhalt-Zerbst"
oil on wooden panel, unsigned, end of 17th century, inscribed on the reverse as Catherine the Great's aunt, remains of two wax seals, portrait of the elegant young lady, in a light dress with a raised lace collar and emerald pendant, pearl jewelry in her up-do, age-appropriate condition, retouching, color loss especially at the edges and in the area of the mouth, cheek and neck, craquelure, image 51.5 x 42 cm (HxW), unframed