Why should one get jealous about this "thing"? It is a simple and very ordinary weapon.Perhaps belonged to a shepherd to protect his sheep on field?
I have no idea about the writing, but nothing deserves to be discussed more than the dating which is correct as 816 Hicri.Is the writing style and grammer original to the date? Or a modern cheating,or an antique cheating if was produced later, lets say in 18th century or so?
regards