Warped neck on my 1981 ES-150?

Hi everyone! I've been the proud owner of a 1981 Tokai ES-150 for about a week now. It's not in mint condition but it plays great and doesn't seem to have any major problemsexcept for maybe a twisted neck. I'm hoping I'm just being paranoid, but I'm pretty sure the neck is warped

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Is my neck warped ?

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Is my neck warped?

Is my neck warped ?