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https://www.antique-jewelry-investor.com/old-gold-ring-what-does-325-hallmark-mean-comments.html
325 is not an uncommon mark. It is an industry standard mark. It refers to the percentage of gold in the alloy. In this case it 32.5% (by weight) gold. This translates into 8kt gold. The other metals in this alloy are traditionally copper with a small percentage of silver. If you want to know more -. There are a number of excellent books on jewellery making that contain all the alloying information and have charts for …
https://www.antique-jewelry-investor.com/old-gold-ring-what-does-325-hallmark-mean.html
Old Gold Ring - What Does 325 Hallmark Mean? What does the Hallmark 325 mean on an old Gold ring? Angie, the physical beauty and resistance to corrosion, makes gold the ultimate creative medium. Pure gold is too soft and delicate for use in jewellery, especially for use in a gold wedding ring ring, so pure gold is often combined with other metals for greater strength.
https://www.answers.com/Q/What_does_the_stamp_325_mean_on_jewelry
Sep 11, 2007 · The silver hallmark .325 indicates the percentage of silver that is found in the jewelry. Pure silver will have a stamp of .999.
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · A piece of jewelry with an etching that reads “18k” or “750” indicates that it is made up of 75 percent gold, while a “14k” or “585” mark indicates the metal is constructed with 58.5 percent gold. Detail of maker’s marks on an Italian 18K yellow and rose gold bracelet, mid 20th century. Sold for $3,000 via Alex Cooper (October ...
https://www.leaf.tv/articles/how-to-identify-jewelry-markings/
Remember that this jewelry may also be marked with “999” symbol. Identify 22-karat gold by the “22K” mark, which indicates that jewelry is 91.6 percent pure gold, or 22 parts pure gold out of 24. Note that 22-karat gold jewelry can also be stamped with “916” or “917.”. Remember that an “18K” mark means jewelry is 75 percent ...
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