FILE PHOTO: The Sicpa Oasis validator system (bullion protect) is pictured on one kilogram bar of gold at Swiss refiner Metalor in Marin near Neuchatel, Switzerland July 5, 2019. REUTERS/Denis Balibouse/File Photo
FILE PHOTO: The Sicpa Oasis validator system (bullion protect) is pictured on one kilogram bar of gold at Swiss refiner Metalor in Marin near Neuchatel, Switzerland July 5, 2019. REUTERS/Denis Balibouse/File Photo