Reference...
'68 Firebird, low-mile, unrestored original. Note finish on Parking Lamp Lens Screws...
UPDATE: Just realized you were asking about the LAMP mounting screws.
I would agree with you. Originally these were dark grey/black phosphate as are most all front end sheet metal part fasteners.
__________________
John
'68 Firebird Ram Air 4-spd Conv.
John 14:6
Semper Fi
