Board Thread:Episode Discussion/@comment-2601:189:4381:65F5:4568:1C58:D805:F83D-20180103073818/@comment-25316824-20180109165951

The Flowers on the floor of the Vault are the Fleur-de-lis aka the symbol of the French Crown.

Compare for yourself. https://en.wikipedia.org/wiki/Fleur-de-lis