Every classic car and motorcycle enthusiast develops shortcuts to help them sort the wheat from the chaff: matching tyres is always a good one, as are advisory-free MoTs, especially when the car doesn’t need one.

Membership of the owner’s club is rarely a bad sign either and nor is a hefty wedge of paperwork.

But the King of ‘em all is provenance – and you know you’re onto a good thing when you find a 50-year-old car that’s had only one owner from new.

So much so that you could skip the rest of this advert: The guide price is between £15,000 and £20,000, so if your budget will accommodate it, just click and bid as it’s going to sell no matter what.

For the more cautious among you – and because if I don’t get paid if I don’t write – ‘GTA 313N’ is a 1974 MGB GT V8 that’s finished in Blaze Red and a cloth ‘n’ vinyl interior.

Self-maintained over the years by its mechanic-owner, it comes to market freshly serviced by an independent specialist and boasting an advisory-free MoT – and wi...