While this may look like a woman's tiara, it is actually a decoration which Fathali Shah often wore on a tall black woolskin hat. It can be clearly seen on a number of minature paintings of Fathali Shah, usually holding two white egret feathers.
The gem stones on this item consist of spinels, rubies, and diamonds, mounted on gold with a silver frame. Total height: 13.5 cm. (5.5 in.) The largest diamond is 10 cts., the largest spinel is 50 cts.