01-08-2018, 04:32 PM
It is most unlikely the RP number would be quoted; this is now an accepted identity that was completely unheard of fifty years ago. It is very common that the original registration was identified by the Car Number (B9 in your case) - we now expect to identify a car by its chassis number, but the Car Number identity is what was used by the Factory and is the nearest to the present day VIN number.