Heh heh: Not what you Dollar Bears thought!
These are a half dozen of my favorites from 30 Bizarre Examples of Defacing Money from the aptly named site, MONEY MUMBO JUMBO:
And even though I was never a big Kiss fan, this one still tickles me:
Source: Money Mumbo Jumbo
Hat tip boingboing
~~~
UPDATE:
One last bill from this flickr pool:
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