Saw about 52 slabbed coins on ebid.net that were on average about $2000 coins (up to $40k) that were being bid at 99cents start with no reserve (http://us.ebid.net/items/highendcoins#). Looking up the cert numbers, I see they are in the inventory of Park Avenue Numismatics out of Miami (http://www.parkavenumis.com). The coins chosen for the auctions just happen to be the coins with photos on the website. I dropped them a note to confirm they weren't listing on ebid and dropped a note to ebid via their contact us form. Anything else I should do? Many years ago I got hit by a guy selling about 50 items on ebay that he copied out of a heritage auction guide (fortunately, refunded).