Next, while searching for Irish Sumptuary, I found the following link to the Insignia of the Holy Roman Empire that I thought was really cool.
From what I've determined, the above pic is supposed to have been the sleeve cuff of Roger II's coronation dalmatic, which was one of the 12th century rulers. The pic to the right is the coronation mantle Roger II supposedly wore. The detail alone is simply amazing and from what I've gathered, this heavy red color is the "royal purple" of this age. The site has a lot more detail than I'm going to put here, but suffice to say this pieces is red silk with gold couching.