Own work

Reference:
https://www.heraldry-wiki.com/heraldrywiki/index.php?title=City_and_Guilds_of_London_Institute
Made using elements from:
https://commons.wikimedia.org/wiki/File:Arms_of_Bristol_City_Council.svg,
https://commons.wikimedia.org/wiki/File:Arms_of_Sir_John_Heaton-Armstrong.svg,
https://commons.wikimedia.org/wiki/File:Arms_of_Cremona.svg,
https://commons.wikimedia.org/wiki/File:Corona_Navalis.svg,
https://commons.wikimedia.org/wiki/File:Royal_Arms_of_England.svg,
https://commons.wikimedia.org/wiki/File:Sun_of_York.svg,
https://commons.wikimedia.org/wiki/File:UK_Mural_Crown_(Common).svg,
https://commons.wikimedia.org/wiki/File:Arms_of_Clan_Skene_of_Skene.svg,
https://commons.wikimedia.org/wiki/File:Unicorn_Supporter_(Heraldry).svg,
https://commons.wikimedia.org/wiki/File:Gold_Griffin_Supporter_%28Heraldry%29.svg,
https://en.wikipedia.org/wiki/File:Coat_of_Arms_of_John,_Baron_Morris_of_Aberavon.svg