No ID yet . . . .
Image search has led me to a deviantart page in which the image of "Angel" is claimed to be a painting crafted by Christophe Sivet in 1996 (possibly photographed by David Benezech).
http://www.anonym.to/https://sivet-c...angel-26681189
However there is some question as to whether Sivet painted it as a copy of an earlier photo; with some alterations.