All Rommanel jewelry pieces feature the Rommanel butterfly design, either carved, punched, or stamped directly onto the piece. Additionally, each piece comes with a barcode label, a QR code, and a warranty certificate, which should be filled out at the time of purchase. When buying a Rommanel piece, make sure to check for these items, as they ensure the authenticity of the Rommanel jewelry. If you have any doubts, contact the nearest Rommanel store or reach out through our digital channels!