Shop › Signed Navajo Royston Turquoise Sterling Feather Necklace Image 1 of 3 Image 2 of 3 Image 3 of 3 Signed Navajo Royston Turquoise Sterling Feather Necklace $498.00 Polished sterling with contrasting dark oxidized chain.Hallmark: GIL Sterling 4/10 06Measures: 19.25 inches long Add To Cart Added! Polished sterling with contrasting dark oxidized chain.Hallmark: GIL Sterling 4/10 06Measures: 19.25 inches long