This kind of Kanzashi is called Gin (silver in Japanese) Kanzashi. The body is usually made out the stronger mixed metal as this one. The darkened metal flowers are tarnished silver, I believe. The bira bira Kanzashi started to become fashionable in late 18th century, Edo Period and this set is from late Meiji to Taisho period, early 1900s. The chains are very light weight so you can wear as a set if you like...