Signed Ed Kee Navajo natural turquoise solid sterling silver ring

This is an absolutely gorgeous signed Navajo natural turquoise solid sterling silver ring. The turquoise has a minty green color with coffee brown matrix. Signed E.KEE by the Navajo artist Ed Kee and sterling for sterling silver. New pieces by this artist are listed for over $600. It is a size 9.0-9.25 and in unused vintage condition.