You must be a police Cheif
Not WHO, but WHAT! Silver plate.
the plate number / license plate is 'une plaque d'immatriculation' in French.
sur la plaque
"une plaque d'immatriculation" is a registration number plate (for your car) in French.
In French, the word "plaque" can be translated to mean a plate, a sign, or a patch of something.
An inscribed plate is commonly referred to as a plaque. It is a flat, usually metal, object that bears a message or inscription and is often used for commemorative purposes or to convey information.
An engraved metal or enamel plate which is affixed to a wall. Sometimes the plate is affixed to a wooden background which is affixed to the wall.
reverse search license plate numbers or talk to the police.
My 1975 Lionel tent trailer, on a plate on the side plaque, reads GVR 1930 lbs
Home plate is in fair territory.
No, police radar guns are designed to measure the speed of vehicles, not capture license plate numbers. License plate numbers are typically recorded by cameras used in automated license plate recognition systems.
Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch.