This is a representation of the coat of arms of the Roman Catholic Archdiocese of Washington (Washington, D.C.).
Quarterly azure and gules, a cross bottony over all quarterly or and argent; 1, a crescent argent; 2, three mullets of six points fesswise in chief argent; 3, as many mullets of five points fesswise in chief argent; 4, a head erased affronté and winged all argent.
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