Nice May 13, 1911 mute 4-bar and Registered cancels from Fairbanks, Alaska Territory on this cover that was sent by a local dentist via Registered mail to Hamilton, Washington where it was backstamped on June 6, 1911.  This mute 4-bar cancel appears to be an unlisted postmark type.  Interesting and attractive, historic item.  Fine condition; sharper than the image may appear.  If the image does not readily appear, please try hitting your computer's reload or refresh button while viewing the item. Successful bidder to pay $1.50 shipping in the US ($2.50 elsewhere); insurance extra if desired. PayPal accepted for payment. Questions -- please ask~