A Snuff Picture

The houses in Curzon Street, Mayfair, have been there for quite some time, some still have their street lighter snuffers in their doorways. I can't ever pass these by without remembering the I-Spy books, one of which contained the requirement to spot one of these snuffers. Gosh, I can even remember some of the codes...."Ohud Nutingo" was "Good Hunting". A couple of moments searching turns up the fact that they are still about: http://en.wikipedia.org/wiki/I-Spy