I have a crisp uncirculated 10,000 CFA (Central African Franc) note.
Picked this up on a trip to the Congo. Its hard to find nice currency in Africa usually the notes get grubby very fast.
Exchange rate puts it at Just over $19 face
Asking $20 Shipped (anywhere)
Paypal (if you cover fees or Gift option) Checks or MO's or even cash.