This is a representation of the coat of arms of the Roman Catholic Diocese of Juneau.
Per fess enarched azure and argent, a crescent of the second in the sinister chief point between, to sinister a seven points star or, to dexter the Ursa Minor constellation of the last and three wavy bars of the first in base.
The following Commons images were used to create this image:

 File:Roman Catholic Diocese of Erie.svg by Niagara (talk · contribs) (mitre)
 File:Old French Escutcheon.svg by Masur (talk · contribs)
 File:Croissant Héraldique.svg by Odejea (talk · contribs)
Own work
Alekjds