Engraved Thorn Stud Earrings by House of Harlow 1960. Brass or Silver Plated. Post back. Measurements: Width: 1⁄4 in. Height: 1⁄2 in. Weight: 0.08 oz. Every rose has its thorn! House of Harlow's Engraved Thorn Stud Earrings are available in Brass or Silver plating, and come complete with a tribal design along the brim!