This is a 1st print.  Every 1st print DMG does not always have the D running as fully as others do, just like everyone once in awhile you will see a DMG where the D does run off the page a little bit and its not a 1st print.  The most important thing to look for is the location of the wizard logo.  On 1st prints, the wizard logo is always alot lower than the latter printings of the book, so much so that it ends up covering the Wizards foot.  As evident by the picture from the auction, the Wizard logo very low and it is doing this and therefore its a first print DMG.  

When looking for 1st print DMG's I always look for the Wizard logo's placement for this exact reason as it is the most consistant indicator.