Edwin Hahn is one of the Wilkes-Barre PA plane makers. John Rumpf wrote an excellent book on the subject titled Plane Makers of Wikes-Barre, Pennsylvania: Jacob Siegley, Edwin Hahn, Keystone Tool Works which includes Jacob Siegley, Edwin Hahn and the Keystone Tool Works, all seemingly working together.
Edwin Hahn is believed to make planes from 1902 – 1919
It looks like this Edwin Hahn plane was made between 1902 and 1906.
And Compared to the #6