19.5mm Antique Copper Plated Starburst with Clear Crystal Center Shank Button By TierraCast. The same starburst found in our Starry Night Charm also decorates this sparkling button, featuring an SS9 European flat back crystal accent. From the Celestial Collection, a beautiful addition to our ever-popular button line, this crystal embedded starburst is a special way to finish your project. This button measures approximately 19.5mm. Made from lead-free pewter and made right here in the USA!