It barely seems credible, but it’s 20 years since we first drove the NSX, Honda’s remarkable supercar that set out to combine the allure of a Ferrari with the dependable ease of use of a Civic.

What you see here is one such key – the one Honda supplied with the NSX for the model years from 1991 to 1996. A bit like the car it unlocked, it was a futuristic metallic slither with the sole ...