Looking on eBay they start from £8k and if you look on eBay there is a power seller on eBay that has a shop in Greenford London Middlesex he has a brand new k1 for £20k,a KO for £22k ,yours looks nice so you should get a good price for it thanks
Not brand new K0 and K1, but very, very, very nice bikes, especially the engines 😉😉😉😁😁😁