When dismantling a boxed Carello N. O. S. aeroplane lamp that Carello used a mastic to seat & seal the lens - no gasket.

Part Name: Sprint "Aeroplane" Rear Number (License) Plate Lamp Lens Alfastop Product Code: 1LIR134 Original Alfa Romeo Part No: 1493.80.013 Model: Giulietta 750 & 101 Quantity Per Car: 1