Seth, I think the name is Pearson and I copied the photo from the following webpage which also shows the wing markings (at least on top). Also, as you can see, the "wiggly line" is actually two "ribbons" that wrap around the rear of the fuse:
http://www.cbrnp.com/profiles/quarter1/pfalz.htm
Note, however, that this is a D.III not DIIIa. Which are you modeling BTW?
Pfalz D.III 4011/17
Ltn Fritz Hohn
Jasta 21s
I note there is also a link for Bob Pearson's email so you might be able to get further info directly from him.