Stereoview Scene of a Man Looking at Stereoviews And a Wary Couple Titled “An Optical Delusion. - Things Seen And Things Not Seen.” (1850′s/1860′s)

Stereoview scene of a man looking at stereoviews and a wary couple titled “An optical delusion. - Things seen and things not seen.” Probably British, c. 1850′s/1860′s.

Source: Metropolitan Museum of Art.