Stereo viewer: This listing is for a new stereoscopic viewer Bakelite TDC (three dimensional company) in the early 50s the stereoscopic viewer type binocular only produced for a few years before they changed their style to be more like viewers competitions. I have two that look exactly the same. The viewer is used to view slides 35mm stereo realistic 3D format. Compared to its viewers new style, these are much harder to find. It has lenses clean and clear glass (compared to many viewers who have plastic) that provide a great viewing experience. The finish is almost flawless and mirror as you can see in my photos. This viewer takes 2 batteries size"" D"" (not included). Promotional display box: It comes with its original box store display with a small amount of wear on the corners as you can see in my photos. The case is solid and there are no cracks or broken seams. This box display is much harder to find than the boxes without the attachment of the pretty girl who stands separately from the background by its"" 3D"" !