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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://antiques.lovetoknow.com/about-antiques/antique-gold-markings
Pure gold (24K) is extremely soft, and jewelry made from it is dented easily; thus, it was often mixed with another metal or alloy, to give the gold more strength. Markings such as 14K, 18K and 9K are common, although you can also find 22K and early marks such as 19.5. The English hallmark stamps did not indicate the carat amount, but the ...Author: Mary Barile
https://www.jewelry-auctioned.com/learn/jewelry-how-tos/how-to-understand-the-meaning-of-gold-hallmarks
How To Understand The Meaning Of Gold Hallmarks. Gold is measured in caratage or ‘kt’. When buying gold jewelry you may purchase 24kt, 18kt, 14kt or 10kt gold in the USA. Other countries also allow 9 & 7 kt gold to be sold. The purest of gold is 24 kt.
https://goodjewelleryguide.com/jewelry-hallmarks-guide/
Jan 21, 2021 · The first requirement for all jewelry to be found on the market is to have these marks. There are some generally accepted rules and signs around the world. If you have gold jewelry, you should see markings like 18k, 14k, 10k, 750, 585, or 375. If you have silver jewelry, you should see markings like 925 or 800.
http://llrc.mcast.edu.mt/digitalversion/Table_of_Contents_7957.pdf
Tables of marks on London plate and wrought gold, from about 1400 to 1478 and from 1479 to 1920, arranged in cycles Chronologically CHAPTER VIII. Chronological list of goldsmiths' marks found on plate assayed at Goldsmiths' Hall, London. 28-31 from A.D. 1479 to A.n. 1919 • 92-235 CHAPTER IX.
https://www.gold-traders.co.uk/hallmarks/
Gold-Traders has compiled a gold hallmark identification wizard to help decipher the markings that are stamped on your item.. Have a look at your piece of jewellery. If it was made in a country that adheres to the Convention on the Control and Marking of Articles of Precious Metals (otherwise known as the Common Control Mark), you should find a set of hallmarks / stamps.
https://www.myclassicjewelry.com/blog/vintage-jewelry-marks/
Aug 15, 2014 · 925-1000: Described as the “Online Encyclopedia of Silver Marks, Hallmarks, and Makers Marks,” the 925-1000 site is the first place I go to research vintage silver jewelry marks. It includes silver marks from many countries and you can access it here: 925-1000 Silver Marks. Vintage Jewelry Marks: Changing with the Times
http://www.silvercollection.it/DICTIONARYEUHALLMARKGERMANY.HTML
GERMAN HALLMARKS. Since 1888 Germany uses uniform marks for silver and gold. These marks are the "Crescent and crown" (Halbmond und Reichskrone) for silver and the "Sun and Crown" (Sonne und Reichskrone) for gold. In addition the fine content and maker's marks are used. Minimum silver fineness is 800/1000, but 830, 835, 900, 925 and 935 ...
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