Date your 35mm Kodachrome Slides
If you are lucky, the date that a slide was processed is sometimes stamped on a mount (more common on later white-mounted slides). Without that stamp, however, the mount still imparts some information.
The shape of the mount, the color, and what is printed on it all combine to approximate the date of processing. Use this chart to help date your slides:

Dates are approximate. Also notice the difference in rounded or square corners on the Kodachrome mounts — these indicate age as well.
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