Small sickle. Bukhara, 19th century

[Teisani]

Originally Posted by Interested Party

...Which leads me back to my comment #13, a rich man's garden knife. the right shape but too highly decorated and costly for any regular work.

I lean towards this as well, the short, concave side edge lends itself to this function. I can imagine a rich man strolling through his garden and picking a fruit or flower from a tree with this.