an elven heirloom

This heirloom is precious to the family that owns it, for it has been passed along from older members of the house to younger members for many generations. It resembles a green leaf with veins with silver. It seems to belong to a larger collection of items and as such does not seem to be valuable by itself.

It is an elven heirloom.
It weighs a few ounces.

You identify an elven heirloom.
It is an unsellable object.
It weighs four ounces, and it is worth about one silver.
Its keywords are heirloom and elven.