Jaroslava Mucha, Alfons Mucha
Link is to Wikimedia Commons. Pencil and white (presumably gouache) on toned paper, roughly 13 x 10 inches (33 x 25 cm).
This lively and sensitive drawing by Czech painter, poster artist and decorative designer Alfons (Alphonse) Mucha is a portrait of his daughter, Jaroslava.
The high resolution version available from the Wikimedia Commons page gives us a nice view of his drawing technique. Some of the drawing seems almost casual, but there is wonderful finesse in the delicate lost and found lines with which he’s indicated the nose, the sharply defined eyelids, and the tonal rendering of the lips, hair and garment.
The Wikimedia image is sourced from a Dorotheum auction listing (which no longer appears to be available), so my assumption is that the drawing is currently in a private collection.