Stamp Decorated Desert Tortoise Earrings with Turquoise

Vintage Southwestern stamp decorated desert tortoise earrings. They are sterling silver with gold plating. Marked sterling and with a Zia. No mark telling the metal purity of the gold. Each has a very nice genuine turquoise bead that has nice matrix. Earrings are 2 1/4" long. Together they weigh 7.1 grams. Very nice condition.