Titled "Nomades" on verso and a reference number of "A47778" in white ink is also located on verso.
A glass negative of this image is located in the Myron Bement Smith Collection: "Antoin Sevruguin Photographs. Freer Gallery of Art and Arthur M. Sackler Gallery Archives" in the Smithsonian Institution, Washington D.C. and was the gift of Katherine Dennis Smith, 1973-1985. The reference number is FSA A.4 2.12.GN.57.02. The number "1038" in white ink appears on verso of the negative, but is not visible on the postcard.
A varient of this image is reproduced on page 212 of Volume I of “Du Khorassan au pays des Backhtiaris: trois mois de voyage en Perse” by Henry-Rene D’Allemagne published in 1911 by Hachette, Paris, France. The image is titled "Le repas des Moissonneurs chez les nomads Taliches du Mazanderan".