As title suggests. Done it on other forums and it ensures the product is really with the seller
I'm sorry but there shouldn't be any conditions attached to this Rick.Is this really Needed? A lot of sellers are long standing members with a lot of posts so I am not so sure what difference this will make. Maybe a good idea for new members with less than 100 posts or for items over say £50 but long standing active members are not here to scam you.
But he could if clever with photo shop etc or print a photo add the paper and take a photo of this. Sorry but can look very good and very easy to do just like the unlocked image he shown you.The assumption is that he never had one in the first place hence he couldn't produce a suitable picture with user name and date.