While updating it today I found an image online of Georges Wildensten, who formed the collection, taken by Paris Match in 1963, the year of his death:
and reflected in the mirror in front of him:
With the eye of faith, and after enhancing the image somewhat to make it darker, one can also make out the cutting that he is examining:
EDIT, 11 July 2014.
I've recognised one more:
This one is easier to see if one flips the mirror-image to make it the right way round: