The coat of arms of Michael Domenec, Bishop of the Roman Catholic Diocese of Pittsburgh from 1860 to 1878.
I used the following images to create this image:

 Bishop galero with fiocchi.svg by Alekjds (talk · contribs)
 Roman Catholic Diocese of Pittsburgh.svg by Alekjds (talk · contribs)
 Coat of arms of Stanisław Dziwisz.svg by SajoR (talk · contribs)
 Petite flamme.svg by Jean92 dit le Comte (talk · contribs)
Own work
Alekjds