What's an 'L' plate?

[smitster1]

Original Yahoo! HPFG Header:
No: HPFGUIDX C7156
From: smitster1
Subject: What's an 'L' plate?
Reply To: [Yahoo! #2652] Re: Marauder's Map
Date: 8/18/00 1:48 am  (ET)

Sorry off topic.

<<Perhaps I'm off the beam though - I've only read PoA once so far and
I still have my 'L' plates on.>>

Neal. What is an 'L' plate? Is this a special plate the British have
when they are learning to drive?