This is the Upper Amber Park Lamp Lens 1963-1965 Silver Cloud III and S-3, Phantom V with double headlights  1966-1980 Silver Shadow, T-series, Shadow II, T-2, Silver Wraith II, 1966...

This is  the Clear Lens & Rim Assembly for Front Fender Parking Light and Rear Back Up Lamp Lens 1959-1968 Park Ward  & James Young Models