Hi Philip, please post the image Hi PhiLlip, please post the image too. That way there is long-term education value. https://live.autographmagazine.com/Introduction-to-Using-Autograph-...
Here is a photo of the signature.
sorry, not authentic
It doesn’t look authentic to me either.
Not genuine. Not sure what the original owner was attempting, probably fan-scribbling a Beatles name. Regardless, it's not signed by John.