Full coat of arms of József Kopácsy, bishop of Veszprém, Hungary (1825 - 1838), archbishop of Esztergom (1838 - 1847).
Version based on the lithograph by Franz Eybl: https://de.wikipedia.org/wiki/Datei:J%C3%B3zsef_Kop%C3%A1csy_Litho.JPG; similiar to the one on his gravestone, except the helm: https://commons.wikimedia.org/wiki/File:COA_archbishop_HU_Kopacsy_Jozsef2.jpg
Order of Saint Stephen of Hungary from here: https://commons.wikimedia.org/wiki/File:Imperial_Coat_of_Arms_of_the_Empire_of_Austria.svg (by Sodacan),
princely hat from here: https://commons.wikimedia.org/wiki/File:Princely_Hat.svg (by Adelbrecht),

galero and tassels from here: https://commons.wikimedia.org/wiki/File:Template-Archbishop.svg (by SajoR)
Own work
GiMa38