Wondrous Item, common

This scintillating brass coin sheds dim light in a 5-foot radius. If dropped a distance greater than 5 feet, the coin issues a melodious ringing sound when it hits a surface. Any creature that can hear the chime can determine the distance the coin dropped based on the tone. Once the tone rings out, the coin magically returns to your hand ready to be used again.

The coin itself is a brass compass star surrounded by leaves and can be worn on a chain or cord.

DevenRue