Transferred from en.wikipedia. Photoshop corrections, by User:SteveHopson, to existing Wiki file: desaturated image to black and white to more resemble original; slight burning to correct for quality of file, enhancement to contrast also to more accurately resemble original.
The author died in 1946, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 75 years or fewer.