Coat of arms of Swiss Archbishop Bruno Bernard Heim, Apostolic Pro-Nuncio to Great Britain from 1982 to 1985 and a prominent armorist of twentieth century ecclesiastical heraldry.
Reference:

theheraldrysociety.com, [1], [2]
[3]
This vector image includes elements that have been taken or adapted from this file:
P-JR, improved SajoR