Nice old clock and great story! If you look closely you will see that the Chevrolet lettering in your clock is faintly visible in the bowtie. It appears for some reason this has faded out over the years. I have included an image of what these clocks "normally" look like. Based on this I would say you are well covered insured it at $2k, in my opinion a true market value would be more like half of that.

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