There is a very famous picture in Art Institute of Chicago
Most view it as a beautiful lady sitting in front of a mirror
Viewed from a different angle it appears to be a skull.
Anyone familiar with it ?
Oh, yes! There are lots of those.
Must have been in a special exhibit.
The title is “all is vanity”. From Ecc
You can see it here. A reminder that things are not actually as they seem.
Or there may be two opposite views of the same object
http://www.deceptology.com/2011/07/worlds-most-famous-optical-illusion.html
Which do you see: the beautiful woman or the skull?
Here you go!
https://en.wikipedia.org/wiki/Charles_Allan_Gilbert
I do not know if the picture it is in the Art Institute collection.
Yes.