Mug help?

I found one of these the other week for dirt cheap and now I see them showing up on eBay. No markings on the mug what so ever, does anyone know anything about it... new?

http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&category=35713&item=6176652199&rd=1

It's a new mug. DW114