Open For Business As Usual...
(Click on the photo to see it on Flickr if you can't make out the text. Then book an optician's appointment.)
This is what I love about London. You can't make this kind of stuff up.
For the next couple of days, you can probably see this by going to Moorgate - it's by the Circle/District/Hammersmith & City lines entrance.
Aw, who am I kidding. It's a closing down sale in London. You'll be able to see it for at least the next three months, maybe six... ;-)