This is a representation of the coat of arms of the Roman Catholic Archdiocese of New York.
Argent; upon a saltire between four crosses gules a mill-sail of the field.
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:Blason Bouvellemont.svg by Chatsam (talk · contribs)
Own work
Alekjds