Antique ethnic handmade chain with stones maybe to be used as a headband or Hair dress
the center stone is broken and has chips as shown
hook closure
measures 16" long and 1.5" across
From an Estate and i have a similar one listed separately
Turkmen, and likely was made in Afghanistan. The cutouts, and the way it is assembled and the use of glass stones all point to Turkmen work from Central Asia.