French 19th Century Reversal Image, Which is My Portrait? organic There is no inset on

There is no inset on the back

though I'd probably be inclined just to display it somewhere to be admired

I'd love to see these put to good use

Or just cross your eyes

French 19th Century Reversal Image, Which is My Portrait? organic There is no inset onWhat a curiosity! I was pretty excited to find this little antique French reversal drawing, which I believe dates to the 1840s or so, when optical illusions because a big thing in France (check out the phnakisticopes published by Joseph Plateau) and reversal portraits were circulated. (I'm including one by Daumier in the photos) This one has a very contemporary feel to me, perhaps in part because the human face keeps reminding me of the late great