These beautiful ceremonial headdresses are from Cameroon Africa.
Made out of chicken and/or ostrich feathers which are stitched into hardened accordion like backing that can expand and unfold and fold back in on itself.
Small ≈ 20-22" W
Large ≈ 28-30" W
Each one varies in size and color slightly from the rest.
The Gray can also be considered a dusty lilac or periwinkle in the right light.