If you subscribe to the Planet Python feed you will already know that Stani (this is to the best of my knowledge the only name he advertises), the author of the well-known Stani's Python Editor, just won a competition to design a new Dutch five-Euro coin.
Congratulations, Stani, and not just for an exceptionally creative use of open source software (including Python, naturally), but also for a fine demonstration of its ideals. What a pity you can't release the coin under a copyleft agreement!
It seems to me this is just another area where the demonstrable abilities of open source are only just beginning to make an impression. You ain't seen nothing yet!