I had an interesting discussion with one of the currency dealers at the MSNS show today. He told me of a dealer who acquired a rare $2 National Banknote from another dealer and listed it on Ebay. A few days later the FBI is knocking on the dealers door to inform him the listed note was reported stolen. The situation got straightened out and the person who originally sold the note to the first dealer in this transaction was arrested. Be careful who you buy notes from and I guess it worldn't hurt to ask where it came from (if it was stolen they are hardly going to admit it to you of course) but just be cautious.