Oh, I've got a great one of them but it's on my pc at home
It's a sign for a bed shop, advertising:
Bed's
Sofa's
Mattresse's
( Fergburger, Wed 29 Nov 2006, 16:13, archived)

There are so many examples.
They catch the corner of my eye as I'm walking down the street and make me twitch
( Gizmo.mp3 does not exist, Wed 29 Nov 2006, 16:14, archived)

My favourite
Was the porn shop on Tottenham Court Road that claimed to offer "Marital Aides"
(wellgroomedwookiee is a filthy-minded hobgoblin, Wed 29 Nov 2006, 16:28, archived)