[Paul F]

So what? What does that have to do with their question? Their question is, 'is it a 196x Cobra' ; the answer is 'no' with no further embellishment. If the question is 'is that a real Cobra or a kit car'. The answer is 'it's a kit car'.

That tells them everything they want to know. Anything else is just you feeding your insecurities. It changes nothing about what they want to know or care about. The fact that you have some brilliantly built replica is of no interest to them; only to you.