Artist: James McNeill Whistler Date: 1892 Collection: Glasgow University Library Accession Number: MS Whistler W596 Medium: pen and black ink Support: beige laid paper, f.s. Size: 10 9/16 x 8 5/16" (268 x 211 mm) Signature: butterfly on letter Inscription: letter from J. McN. Whistler to B. Whistler
