Fun fact, danish priests use a similar collar in their official dress, still. Here's a picture: <a href="https://cne.news/article/1633-men-only-priesthood-might-come-to-an-end-in-danish-parishes" rel="nofollow">https://cne.news/article/1633-men-only-priesthood-might-come...</a><p>That forms a fashion connection or memory to the (maybe) danish noble/upper class people in the portrait in the story.