
r.: Butterfly; v.: Part of a butterfly date from 1890/1892.

r.: Butterfly, Library of Congress
They are catalogued in MacDonald 1995 (cat. rais.) [more] (cat. no. 1264).

r.: Butterfly, Library of Congress
v.: Part of a butterfly, not reproduced.

r.: Butterfly, Library of Congress
The butterfly derives from Whistler's monogram 'JW', with, in addition, a barbed tail curving up at left. It is a design for Whistler 1892 [more]. A cut-out butterfly from the first edition of The Gentle Art of Making Enemies is stuck on the recto.

r.: Butterfly, Library of Congress
A design for Whistler 1892 [more]. The butterfly is rolling about laughing at a statement by John Ruskin (1819-1900), '...There is no stone drawing, no vitality of architecture like Prout's.', which Whistler used for the catalogue entry on Nocturne: Blue and Gold - St Mark's, Venice y213.
For further details see MacDonald 1995 (cat. rais.) [more] (cat. no. 1261).
It was not, as far as is known, exhibited in Whistler's lifetime.