Here's the best story and details of the Inverted Jenny that I've come across (beginning at page 8):
http://www.siegelauctions.com/2011/1010/1010A.pdfAs for the matter of a possible used stamp, I believe the possibility exists but since the stamp has never come to market (as far as I know) it's mostly speculation. Our SCF member Russ had made a comment sometime ago about the possible position of the "used" stamp based on this quote:
Quote:
Perhaps Russ can provide us with more information on the stamp in question. I have searched the internet but have come up with no information about that particular item, which would almost certainly have made big news headlines.