This is a vintage View Master Stereoscope used to view discs of pictures. 

It is in it's original box.

Black and I believe made of Bakelite; A hard, infusible, and chemically resistant plastic, Bakelite was based on a chemical combination of phenol and formaldehyde (phenol-formaldehyde resin), two compounds that were derived from coal tar and wood alcohol (methanol), respectively, at that time.

The box is in good condition for it's age, the top was torn at two of the corner seams, so I scotch taped them.

Priority shipping price includes insurance. 

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