It is Japanese Birabira-Kanzashi. The material is matal.
Vintage Japanese Metal Bira-bira Kanzashi Kimono hairpin Hair Ornament #1459-3
Vintage Japanese Bride Kanzashi set Kimono Wedding Hair Ornament Japan #1083
Vintage Japanese Bira-bira Kanzashi set of 4 Kimono Hair Ornament Japan #1109-2
13 Bira-bira Kanzashi ideas kanzashi, hair ornaments, hair
Vintage Japanese Bira-bira Kanzashi Metal Kimono hairpin Hair Ornament # 773-1
Vintage Japanese Metal Bira-bira Kanzashi Kimono hairpin Hair Ornament #1459-3
13 Bira-bira Kanzashi ideas kanzashi, hair ornaments, hair
13 Bira-bira Kanzashi ideas kanzashi, hair ornaments, hair
Vintage Japanese Bira-bira Kanzashi Metal Kimono hairpin Hair Ornament # 773-1