NOVICA .925 Sterling Silver and Onyx Cufflinks, Forest Moon&#39; Authentic: an original NOVICA fair trade product in association with National Geographic. Certified: comes with an official NOVICA Story Card certifying quality & authenticity. NOVICA works with Mahavir to craft this item. Exceptional Quality: crafted with care to be treasured as a keepsake for many years to come. Product info: Sterling silver and heat treated onyx