Black and White Garage James Wheeler UK United Kingdom London Newbury Berkshire England for sale restoration vintage classic Alfa Romeo Maserati cars Quattroporte 3200 4200 Gran Turismo Grand Sport bi-turbo biturbo Spyder Karif Spider ottocilindri 430 222 Mistral Mexico Sebring Indy Ghibli Khamsin 250F Birdcage 6C 8C A6GCS Orsi A6 A8 4CLT 8CLT Alfieri Touring Vignale Frua 3500 5000 Barchetta 300S 200Si