The number "1443" has been scratched out and the number "508" in white ink appears on recto.A gelatin silver print of this image is located in the Freer Gallery of Art and Arthur M. Sackler Gallery Archives with the same numbers in the same locations.
The number "1443" in white ink appears on recto of the albumen print of this image in the Nelson collection. The print is titled "Dervish" on verso in what may be the hand of Antoin Sevruguin. The number "508" is not visible on the albumen print.
This image is reproduced on page 41 of "Sevruguin's Iran" published by Barjesteh van Waalwijk van Doorn & Co's Uitgeversmaatschappij in Rotterdam and Zaman Publishers in Tehran. The print is titled: "A Dervish" and the number "1443" also appears on recto.
A gelatin silver print of this image is in the Myron Bement Smith collection located in the Freer Gallery of Art and Arthur M. Sackler Gallery Archives, Smithsonian Institution, Washington D.C. Museum. The print has the reference number FSA A.4 2.12.Up.63.
An albumen print of this image is located in the C.R. Smith archive in the V&A collection.
Russell Harris and Isabel Miller, "The Sevruguin Photographs", Asian Art (February 2011) 6-7.
Melanie Venes and Jennifer Wearden, "A Persian Venture", Hali 148 (2006) 60-61.