Im still gonna say ebay,cause even is the logo fell off you'd see where the tack welds were plus i've never seen a dnp discolor that much,And look at the welds on a real dnp (#1 runner to be exact)theres 2 seams as where yours only had 1 seam.
http://i162.photobucket.com/albums/t257/spooling1g/dnp.jpg