McManiacs Vintage and Antique Mall is selling antique stereoscopic cards!  The price is $5 for one, and 3 for $10.

What is a stereoscopic card?  Well, the stereoscope was the precursor to 3D.  The stereoscopic cards would be inserted into the stereoscope … with a slightly different images for the left and right eye.  When viewed, you would get the illusion of 3D.  The invention dates back to the early 19th century.

Get more info about McManiacs by visiting McManiacsAntiqueMall.com or Facebook.com/McManiacsVintageAndResale/