The jewelry box is a container, and can be opened and closed.
You are confident that the jewelry box might weigh several tens of stones.
You are certain that the jewelry box is worth exactly 250000 kronars.

a polished platinum hand mirror carved with curling vines of Elven ivy.

The hand mirror is made with metal.
You wonder if the hand mirror might weigh a few stones.
You are certain that the hand mirror is worth exactly 50000 kronars.

a polished platinum hair brush carved with curling vines of Elven ivy
The exquisitely carved vines wrap around the slender handle and loop up to form a graceful oval around the back of the brush, surrounding the painted image of a lovely Elven woman.

The hair brush is made with metal.
You believe that the hair brush weighs around 1 stone.
You are certain that the hair brush is worth exactly 75000 kronars.