For the Nostalgic Among Us . . .

The spiral binding is plastic, not metal, so I’m not sure about the vintage of this notebook.

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  1. I think I see patent numbers at the bottom of the front cover. You could look up those patents online to get the earliest possible manufacture date of this item, but it could have been made at any time after those patents were issued (including yesterday, theoretically). Might be interesting to see if any other patents were issued to the same person or company.

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