Item:Beveled uthamar thumb ring engraved with a closed eye

beveled uthamar thumb ring engraved with a closed eye
Look:	Polished to a high shine, the gleaming band of starlight white metal shimmers when hit by light. The almond-shaped eye is limned in gold and cradled between a pair of Elamiri sapphires.
Weight:	1 stones
Metal:	Unknown
Uses:	15
Appraised Cost:	1,875,000 Kronars1,500,000 Lirums <br />1,353,000 Dokoras <br />1,875 LTBpoints <br />1,875 Tickets <br />1,875 Scrips <br />
Properties:	This is jewelry. This item is magical. This holds the Refractive Field spell. This item is worn in the finger slot.
Dimensions:	1 length x 1 width x 1 height
Sources:	Source is Su Helmas: Seeds of Entropy/Incidental loot, Su Helmas: Revealed!/Incidental loot, Su Helmas 444: Make Haste!/Incidental loot, Su Helmas 440: Entrapped/Incidental loot, Su Helmas 438: The Forbidden Temple/Incidental loot, Su Helmas 434: The Forbidden Temple/Incidental loot

Small magical currents trace across the surface of the ring.
You recognize the pattern as a manifestation of Lunar magic.
The ring is scribed with a minor invisibility spell and has fifteen charges left.
The ring is enchanted to render the wearer magically unlocatable when properly rubbed.
Assessing the complexity of the enchantment, you think it would require adept-level skill with Arcana in order to use.