I picked up this P11A last summer from a dealer in the south west. It was one of 3 or 4 he had at that time, I understood that he got them all from a single collector in the US. It had been rebuilt at some time in the pasts and probably not been used on the road. The frame clearly repainted, new engine gaskets and good quality nuts & bolts. It is fitted with a non standard (home made) side stand. The other bikes had the same type of stand, has any one out there come across these before. The bike also has a distinctive chromed oil tank & sticker. The bike has a number of non original or "correct" parts. However she does run and I have put 500 + miles on her.