Inscription: Signed and dated (lower right): Dunouy / 1813
[Hazlitt, Gooden & Fox, London]; Eugene V. Thaw, New York (until 2009)
Esther Bell. "Catalogue Raisonné of the Thaw Collection." Studying Nature: Oil Sketches from the Thaw Collection. Ed. Jennifer Tonkovich. New York, 2011, p. 120, no. 56, ill. (color), calls it Castel Sant'Elmo, from Chaia, Naples".
Octagonal paper label (on stretcher), inscribed: No [54? (last digit illegible)] / Mme Barré