Gustave Le Gray (1820-1884 )Forest of Fontainebleau, c. 1852. oak tree study. Albumen print (c. 1855-1860), from a waxed paper negative, mounted on cardboard. Signature stamp in red ink in the lower right corner of the image. Numbering 812 in the negative. Dry stamp "Photographie - Gustave Le Gray & Co - Paris" on the mount at the bottom. 27,8x38,2cmBibliography : Sylvie Aubenas et alii, Gustave Le Gray 1820-1884, Paris, BnF / Gallimard, 2002, pp. 226-227 and 357 . Although the picture was taken in the early 1850s, the dry stamp on the mounting board suggests a later date for the print, after Le Gray's association with the de Briges family, around 1855-1860.