lower left plate printed in black ink: New York / [the artist's monogram] / May 2nd / 1917; lower right in graphite: [the artist's monogram] imp; lower left in graphite by unknown hand: The Flag; lower right in graphite by unknown hand: M298HA [crossed out] 903HA 12 3/8
wife of the artist; gift to the Corcoran Gallery of Art, Washington, DC, 1940; acquired 2015 by the National Gallery of Art
- Cortissoz, Royal and the Leonard Clayton Gallery. Catalogue of the Etchings and Dry-points of Childe Hassam. revised edition. San Francisco, 1989. pp. 93, no. 131.