Quoted from MEuRaH:
The seller on eBay and the person who listed the R&M here on pinside is basically located on the same city (Dublin/Colombus).
I'm guessing that he tried to sell on ebay, the buyer didn't pay for it for some reason, and now the guy is trying to re-sell it here because of the fees and pain in the rear for selling it on ebay. He's asking for the same price that it sold for on ebay since that's the "market value".
Just a guess.
Actually he was asking 5k a couple hours ago. After my comment he's dropped it to 3K. I saved somebody 2K! My good deed for the day.