19th-century miniature on bone/ivory

19th-century watercolor miniature
Origin most likely France (based on style and technique – French School).
Material: Handmade, painted with watercolor directly on a thin bone/ivory plate, without paper backing, placed in a frame behind glass.
Portrait of a young woman in romantic style with forget-me-nots in her hair.
Original oval brass frame (5.5x4.5 cm) with authentic "sawtooth" fasteners at the back.
Excellent antique condition, without cracks or color loss.