a lantern

It is a moderately sized and robust but somewhat battered oil lantern made from brass, and it is equipped with a handle to make it handy and a hood to protect its flame. There is enough oil for more than half a week.

It is a lantern.
It weighs a couple of pounds.

You identify a lantern.
It is a light source.
It weighs two pounds and three ounces, and it is worth about eighty-five copper.
Its keyword is lantern.