Jim and Wanda Matus of Save stand alongside their all-original 1956 Buick Special convertible which was one of several pristine vehicles exhibited for that Niello Concours in the Serrano Visitors Center in El Dorado Hillsides March. 2. Photo by Ray Wietzman With the specter of rain, which did eventually fall, the Niello Concours was bigger and fantastic with fabulous cars and a few great motorcycles and scooters, together with a rare 1960s Lambretta. More than 175 classic, sports, muscle cars and motorcycles graced the eco-friendly in the Serrano Visitors Center in El Dorado Hillsides on March. 9. Incorporated within the field were over 35 pristine De Tomaso Panteras, but no Mangustas, sorry.