Milgarnian light pebble

From Darfuria

A Milgarnian light pebble is a simple pebble upon which a Continual Light spell has been cast. It is probably the first magic item any wizard makes. Sometimes they are given as gifts to companions by magic users who reached 3rd level or higher.

Stats

XP value: 200 (if looted)

GP sale value: 25 (haggling encouraged)