Following the recent death of Star Trek actor Leonard Nimoy, amongst other tributes, images of his character Spock have started popping up all over Canada. On banknotes.
As the Toronto Sun reports, the Bank of Canada has had to issue a plea to ask people to stop 'enhancing' images of their 7th Prime Minister, Sir Wilfred Laurier to create a Spock likeness.
Unfortunately, they've clarified that the act is not actually illegal - merely (in their eyes) unpatriotic, so the practice is unlikely to die out any time soon...
It reminds me a little of 'Hobo Nickels' - an American subculture of carving miniature bas reliefs onto soft nickel coins. More here.