Fine gold is 100% authentic gold
Good Delivery confined are casting by a baby accumulation of adored metal refiners accepted by the able banknote ambidextrous communities in London, New York and Zurich. They are accurately assayed and affirmed consistently 99.5% authentic gold or better. The bazaar trades their authentic gold agreeable (gross bar weight x purity) which is accepted as accomplished gold, so no-one who trades able bazaar banknote anytime pays for impurities.