a war horn

A solid piece of bronze has been curled and hammered to form a simple horn. A braid of jet black horse hair has been tied to the mouthpiece and looped to form a strap. The surface of the horn is riddled with small scrapes and dents but nothing deep enough to affect the horn's pitch.

It is a war horn.
It weighs about one pound.

You identify a war horn.
It weighs twelve ounces, and it is worth about seventeen celeb.
Its keywords are horn, war, and bronze.