I bought a car from very well known car auction. I was sent an invoice, which I settled the invoice in full. A couple hours later, I received a call from the vendor asking for another £1000 for the car due to a mistake on the odometer. On their listing, the mileage was 52,000 - with the car priced according to that. But real mileage should have been 31,000 miles because the number they put down on their listing was kilometres. This was an auction, I had very limited time and thought this was a nice car. I went for it, exceeded the reserve price and won the auction fairly. I paid the auction house in full. Do they have the right to cancel the sale due to their mistake?