John Cleese once said that his Three Laws of Comedy were 1. No puns, 2. No puns, and 3. No puns. This nugget of wisdom, however, has not been adopted by the shop owners of the Greater London area. Their signs almost invariably contain a pun in some form or other and I don’t see any harm in that.  Whenever I cross a shop with an interesting pavement sign, I have a weird compulsion to take a picture of it.  Here is a collection of some of the best I’ve snapped in the last year or so.