Mid 19th Century Bonnet

From the seller:

Beautiful olive green silk bonnet..it looks grey in the pictures but it is green...in really great condition....all hand stiched...pictures show that the silk covers wooden or bamboo stays to form the pleating or gathering on top...it seems to be on the small side so this bonnet was for a tiny women or a child...tulle lining is is separated on the inside back....the silk is lovely...even the silk ribbon ties are crisp and ironed....a few dark spots on the back"see pics"...I found this amazing bonnet in this condition at a estate sale stored In a turn of the century hat box where it has been ever since..I have never even displayed it...I think this could easily be a museum piece...

From Me:

...I think someone needs to get out of the 21st century think for a bit if they can't figure out reed rather than bamboo. Bamboo wasn't even a "thing" 20 years ago - all it was then was either a)Panda food or b) Pier 1 imports furniture. Now it's curtains, fabric, and flooring. ....

Anyway, 1850's based on the overall shape.