The number 418 in white appears on recto. The photograph has been titled "The route to Rasht. The Bridge of Lorchan" on verso in what appears to be the hand of Antoin Sevruguin.
Publications
Antoin Sevrugion photographs of Persia, 1880s-1890s, The Getty Research Institute, Los Angeles, Accession no. 2017.R.25-52. Titled: "Pont de Lorchan - route de Mendjil à Patchinar". Numbered "418", or the same as the print in the collection.
The image is reproduced on page 179 of "Persien in wort und bild" by Friedrich Rosen, Franz Schneider Verlag, Berin in 1926 and is titled "Bridge across the Shahrud (Tehran-Rasht)".