It's an interesting fake, not quite good enough, but better than most.
The one they used as the source is labeled 4a here
http://t206resource.com/Wagner-Gallery.html
The graphics touchups are a bit slicker than usual, the upper left is added, and so is the stained/damaged area at the lower right.
And they used the same back scan, with another reconstructed corner. (Upper right)
The source is an odd choice. It's one of the few Wagners with a misregistration to the right. (Maybe the only one?) All that effort and they chose one of the more identifiable ones to work from.
Steve B