A better question would be, what massive beast entered the Lucky 38, and left http://i55.tinypic.com/2q827hz.jpg.
Either it is supposed to be a print on the original image scanned (IE. deliberate); or its an artifact of changing the scale of Mr. House later in development?
I can't think that an artist would miss that... When you are done, the first thing you do is scrutinize your work. :shrug: