Artist: James McNeill Whistler Date: 1879/1880 Collection: Addison Gallery of American Art, Phillips Academy, Andover, MA Accession Number: 1928.37 Medium: chalk and pastel Support: brown wove paper Size: 11 3/4 x 7 1/8" (299 x 181 mm) Signature: butterfly Inscription: 'N:39 - 11 1/2 x 6 ½'