Here's a thing. Outside the block I live in are four disused, crumbling garages. On Saturday I joined forces with some people from another flat and decided to take a look inside a few of them. Some of the doors opened fine. Others needed us to - ahem - knock the padlocks off.
I found an old London Evening Standard in one, dated September 15th, 1971. Here's a story from its 'Overseas News' page that I thought I'd share - about the now-ubiquitous 'smiley face' image: