Rare Antique Japanese Double-Dragon Section Chief Badge Set

Description

I seldom use the term "rare" in my listing because I believe it is overused on this site.  That being said, I can find very little about these awesome badges, which leads me to think that they are indeed scarce.  They are marked Kumichou (Chief of Section).  One is marked "Ni" section and the other is marked "Ha" section.  Prior to 1947, Japan's governmental Cabinet was broken down into various Ministries and then into different bureaus and then sections.  If you have any specific info for these badges, I would appreciate it.