lower left in plate: PSala; by artist [?], lower left, in graphite: PSala Milano 1889; signed by artist, lower right, in graphite: F Colombi Borde acquaf 1889
(Il Bulino Antiche Stampe, Milan); purchased 2013 by NGA.
- From Neoclassicism to Futurism: Italian Prints and Drawings, 1800- 1925, National Gallery of Art, Washington, 2014 - 2015.
- Mezzetti, Amalia.L'acquaforte lombarda nella seconda metà dell'800. Milan, 1935, no. 173.