Triumph X75 Hurricane, in Orange

Triumph X75 Hurricane. I took ownership of the bike about a year ago, I swapped it for another British bike I owned with a guy from the Isle of Man.
The bike is unmolested and I'm as confident as I can be that it has never been restored. The V5 is in my name and the chassis and engine numbers match TRX75NH00, this makes it an October 1972 model I believe.
The previous owner gave me this history of the bike. He bought the bike in March 2018, it came from a collection in the USA when a company called Earle's Motorcycle Centre closed down, the auctioneers were J Wood & Co. At the time the recorded mileage was 513. It is easy enough to find details of the auction on the internet. Clearly I have no way of confirming the above but having done a few jobs on the bike the condition of the bike leads me to believe it is true. For example I had the front wheel out and the drum has barely any wear marks from the shoes.
Also, I decided to remove the oil tank to give it a thorough clean and the parts of the bike that were hidden by the tank were dusty, the sort of dust that takes years to build up in storage or on display, but no oily grime. The rims are both Borrani. An electric start is fitted to the bike and works perfectly. Included is the original engine cover (Part number 57-4018) this is needed should you wish to remove the electric start. I fitted a Morgo oil pressure gauge. Lucas Rita ignition is fitted. Both tyres were replaced by the previous owner prior to the exchange so about a year old and covered less than 200 miles. An ‘as new' Owners' handbook is included in the sale. It is a lovely bike but just a little heavier than I like these days so I'm simply not riding it as much as I need to. And the bad bits… There is a dink in the upper silencer, impossible to photograph. Silencers are readily available if this bothers you, originality meant more to me (excluding the electric start and oil pressure gauge!). There is a small piece of gel coat missing from the back of the tank unit, where it meets the seat trim, see photograph. Once again, this could be easily dealt with but then the originality goes. The orange decals are a little faded but this is commensurate with the age of the bike. Replacements are readily available but they are only original once!
£200 deposit to be paid within 48 hours, balance paid on collection by bank transfer. Viewing is encouraged but following an incident where someone crashed a bike of mine when test riding it (and then didn't buy it) no test rides. I will ride up and down the street so you can see it does what it should.