Artist: James McNeill Whistler Date: 1900/1901 Collection: National Gallery of Art, Washington, DC Accession Number: 1943.3.8818 Medium: pen and brown ink Support: cream wove paper, watermark of crown and ‘C.S.S.A.’ Size: 152 x 96 mm (6 3/8 x 3 3/4") Signature: butterfly Inscription: v.: ' "at Sea" / MS.981. From Canfield Coll. / 500.' and '40'