Ibo/Igbo Nigerian bronze Armlets

A pair  of bronze armlets/armband/bracelets from the Ibo/Igbo , tribe Nigeria with visible geometric patterns, based on the size this would have been worn by young girls for prestige and status, nice dark green patina, there is  on tear on the band which is consistent with age and usage,  early 19 century, made of beaten copper/metal, measurements are  H 12cm  x W 8cm