I would like you to mail me one of the smallest denomination paper currency you can, I am willing to pay for the postage.
You could also stop by your local bank and get the very same thing. Most banks are able to change US currency into euros (European Currency).
The single European currency adopted in 1999 by eleven countries in the European Union (Belgium, Austria, Finland, Spain, Ireland, Portugal, Germany, France, Netherlands, Italy, Luxembourg) as an alternative currency in noncash transactions. In 2002 it replaced the national currencies of twelve member countries (the original eleven, plus Greece).