looking at it's size and the hole position I'd say it's a wind chime sail.
Spent some time in a jewelry box I reckin.
Geisha with fan by cherry tree.
View attachment 1867606
https://www.ebay.com/itm/Vintage-Ja...och-screw-back-Earring-Set-MINT-/293053581214
View attachment 1867604
View attachment 1867605
View attachment 1867642