I would like to see all sellers (of all classifieds sites preferably), stick a post-it note on the item for sale before taking photos. The post-it note should say the sellers public user name for the site, the site name (eg audiogon) and the date. If you are selling on multiple sites  do separate photos for each site.
If everyone did this, it would reduce the amount of fake listings. Its not perfect but at least you could reasonable believe they have the item they claim to have.
If everyone did this, it would reduce the amount of fake listings. Its not perfect but at least you could reasonable believe they have the item they claim to have.