This is a representation of the coat of arms of the Roman Catholic San Juan de Puerto Rico.
The following Commons images were used to create this image:

 Roman Catholic Diocese of Erie.svg by Niagara (talk · contribs) (mitre)
 Old French Escutcheon.svg by Masur (talk · contribs)
 Escut de Catllar.svg by Xavigivax (talk · contribs)
Own work
Alekjds