20inches HEAVY 375 HALLMARKED QUALITY STUNNING BYZANTINE 9ct GOLD NECKLACE 24.8g
BUYERS GUIDE TO THE BRITISH GOLD HALLMARKING SYSTEM. This shows the fineness of the metal ie purity of the precious metal content in parts per 1000 in relation to the standard recognised in the UK. For example 375 parts per 1000 by weight is equivalent to the old 9 carat gold standard. The alloy must […]
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