Alloys of silver with copper are more durable, more durable, plus more fusible than pure silver and they are useful for jewellery and coinage. The proportion of silver in these alloys is said in terms of fineness, which implies aspects of silver for every thousand of your alloy. Sterling silver https://bildsite.de/silber-verkaufen-die-besten-tipps-und-optionen-fur-maximale-gewinne/