摘要：【中文】本申请实施例公开一种特征码在贵金属纪念币或章上的隐藏方法及纪念币或章。所述隐藏方法包括：在模具的具有设定图案的指定表面雕刻特征码；对雕刻后的所述模具进行清洗；通过电镀对所述指定表面上雕刻的所述特征码进行弱化；对电镀后的所述模具进行抛光；对抛光后的所述模具的所述特征码进行识别检测；将抛光后的所述模具印压贵金属纪念币或章坯饼，以在贵金属纪念币或章上形成所述特征码和所述设定图案；对位于所述贵金属纪念币或章上的所述特征码进行识别检测。所述贵金属纪念币或章，其具有特征码；所述特征码采用所述隐藏方法制作而成。本申请实施例可实现防伪，具有隐蔽性和长期有效性。 【EN】The embodiment of the application discloses a method for hiding a feature code on a precious metal commemorative coin or badge and the commemorative coin or badge. The hiding method comprises the following steps: carving a feature code on a designated surface of the mold with a set pattern; cleaning the carved mould; weakening the feature code engraved on the designated surface by electroplating; polishing the electroplated mold; identifying and detecting the feature codes of the polished mold; stamping the polished die with a precious metal commemorative coin or stamp blank cake to form the feature code and the set pattern on the precious metal commemorative coin or stamp; and identifying and detecting the feature codes on the precious metal commemorative coins or medals. The precious metal commemorative coin or badge is provided with a feature code; the feature code is manufactured by adopting the hiding method. The embodiment of the application can realize anti-counterfeiting, and has concealment and long-term effectiveness.