Design for a Scene in de Laujon's 'L'Amoureux de quinze ans, ou la Double-F?te...', 18th century, Pen and black and gray ink, brush and black and gray wash, 5 1/4 x 3 5/16 in. (13.4 x 8.4 cm.), Drawings, Hubert Fran?ois Gravelot (French, Paris 1699?1