Number plate

[Renato]

Identifying plates fitted to vehicles in the UK (and elsewhere), carrying the vehicles registration number.
Similar to [License plate], [Registration plate] etc.
In the UK the reg. no. belongs to the vehicle, not the driver, and contains information about the age of the vehicle and the region in which it was first sold. The system is administered by the [DVLA].
The reg. number is alphanumeric, and takes the form AB12 CDE on vehicles registered after 2001, or A123 BCD on vehicles registered before 2001.

[Jessica]

Number plate in Motorcycling - Trials. Must be placed at the back of the motorcycle.

[Couch Potatoe]

a sign on a road vehicle that shows its registration number