Alloys of silver with copper are tougher, harder, plus much more fusible than pure silver and they are utilized for jewellery and coinage. The proportion of silver in these alloys is mentioned with regards to fineness, which suggests portions of silver for each thousand with the alloy. Sterling silver contains https://bildsite.de/silber-verkaufen-die-besten-tipps-und-optionen-fur-maximale-gewinne/