It is Japanese Birabira-Kanzashi. The material is matal.
Vintage Japanese Metal Bira-bira Kanzashi Kimono hairpin Hair Ornament #1213-2
Vintage Japanese Bira-bira Kanzashi Metal Kimono hairpin Hair Ornament # 773-1
Vintage Japanese Bride Kanzashi set Kimono Wedding Hair Ornament Japan #1083
Vintage Japanese Bira-bira Kanzashi Metal Kimono hairpin Hair Ornament # 773-1
Vintage Japanese Bira-bira Kanzashi set of 4 Kimono Hair Ornament Japan #1109-2
Vintage Japanese Bira-bira Kanzashi set of 4 Kimono Hair Ornament Japan #1109-2
Vintage Japanese Bira-bira Kanzashi set of 4 Kimono Hair Ornament Japan #1109-2
Vintage Japanese Metal Bira-bira Kanzashi set of 2 Kimono Hair Ornament #703
Japanese Hair Comb
Japanese Hair Pin Kanzashi Kami-Kazari Vtg Women Kimono Accessory