Vintage signed Sarah Coventry “Nile Queen” Necklace /w card. Adjustable Length! Very Good vintage condition, but extension piece is missing one faux jade stone and one spring ring.Card has instructions on how to adjust the length. From 1976. The Vintage Sarah Coventry “Nile Queen” Necklace features a stunning green teardrop-shaped faux jade stone, set in a multicolor design. This statement piece is signed by the brand and has an adjustable length of 22 inches, making it versatile for unisex adults. The necklace is from the 1970s and comes with the original card, adding to its collectibility as a vintage piece of fashion jewelry.