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There is nothing written on the box and no LEGO logo anywhere. All the pieces that come with it are LEGO.
It is one box from 364-1: Harbour Scene from 1975:
Here's what the particular box looked like in newer condition:
And here's the set freshly opened with your box slotted into its place. Your box is the top center one if you can't tell from the image.
Here's a video covering this set in detail.
Required, but never shown