Gem of Seeing
This finely cut and polished stone is indistinguishable from an ordinary jewel in appearance.
This material is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.
When it is gazed through, a gem of seeing enables the user to see as though she were affected by the true seeing spell. A gem of seeing can be used for as much as 30 minutes a day, divided up into periods of minutes or rounds as the user sees fit.
Moderate divination; CL 10th; Craft Wondrous Item, true seeing; Price 75,000 gp.