Help Find A Missing Girl: Laura Palmer. Posters All Around London

I've just passed a phonebox with a picture of an attractive young girl who went missing some time ago.  Unfortunately I was in a cab and couldn't take a picture of the phonebox near Whitehall but some kind soul (normko) has already done so in Hammersmith.  If you know anything at all about Laura Palmer I urge you to share that information with the world.  I certainly will...