Please don't go away so soon! Yes, the GMB can be used to check on items in eBay.
I think that Max was commenting on the fact that you had posted (in Tinypic) a personal copy of the eBay image which, although some people think it is ok to do so others, including lots of the eBay sellers, may say it's a breach of image copyright. [We have some interesting discussions on this point from time to time!]
The best thing to do for references to eBay listings is to post the actual URL, which can be copied from the address bar at the top of the Browser window.