This one popped up the other day:
http://www.gunbroker.com/Auction/Vie...Item=232347457
I saw a Mauser catalog once that had pictures of one of these so I know it is legitimate. But the seller had no feedback and the photos seemed like glamor shots from an arms auction site. I asked a question but somebody bid on the item so the seller never answered me.
Today I received a curious email from the no feedback seller, which read as follows:
"As you probably noticed, this weapon has sold. Thank you for your interest. I hope to have something else you would be interested in purchasing."
Now I am sure I was right to abstain from this auction.