Uh Oh!
From the Sunday Times (UK) - German euro rebels flock to town that marks time:

The rest of Germany may be stuck in the economic doldrums but Kropp, a small town in the north, is enjoying a mini-boom following the reintroduction of the D-mark.

More than 90 shops and businesses that serve the 6,500 inhabitants of Kropp, in Schleswig-Holstein, have started accepting marks again in a startlingly successful attempt to cash in on an estimated £5.66 billion of the defunct currency still in circulation.

Since the experiment began earlier this month, people have been flocking to Kropp in a display of affection for the mark, which, according to one recent poll, two-thirds of Germans wish they had never given up. The scheme was planned to end on December 31 but has been extended indefinitely.

There's less here than meets the eye, since it seems to be mostly a collection scheme for the old currency, but the opinion poll is interesting. On the other hand:

Not everyone in Kropp is happy to see the return of the mark, though. Many young people insist that its days have passed. "I have a European identity now and that is reflected by the euro," said Karen Schröder, 27, who works in the bakery. "The D-mark belongs to history, just like those who want to bring it back."

No word on Karen's clue search.