https://www.worldhistory.org/image/5867/roman-gold-bar-stamped-with-assayers/
Roman Gold Bar Stamped with Assayers - World History Encyclopedia
Oct 13, 2016 - In the Late Roman Period, precious metal that had been paid in tax was melted down into bars before being re-minted, to eliminate plated forgeries. Because...
roman goldworld historybarstampedassayers
https://www.hkex.com.hk/Products/Listed-Derivatives/Commodities/Commodities-Need-to-Know/Physical-delivery-for-gold-and-silver-futures/Recognized-Depositories-for-Gold-Futures?sc_lang=en
List of Recognised Depositories, Refiners, Forwarders and Assayers for Gold Futures
List of Recognised Depositories, Refiners, Forwarders and Assayers for Gold Futures
list ofrecognisedrefiners
https://www.hkex.com.hk/Products/Listed-Derivatives/Commodities/Commodities-Need-to-Know/Physical-delivery-for-gold-and-silver-futures/Recognized-Depositories-for-Silver-Futures?sc_lang=en
List of Recognised Depositories, Refiners, Forwarders and Assayers for Silver Futures
List of Recognised Depositories, Refiners, Forwarders and Assayers for Silver Futures
list ofrecognisedrefiners