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https://jewelry.lovetoknow.com/about-jewelry/understanding-markings-jewelry
Jewelry manufacturers in the United States must inform the consumer about precious metal content, but the content doesn't actually have to be stamped on the piece. It can be on the appraisal …Author: Kate Miller-Wilson
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.permanentmarking.com/laser-marking-jewelry/
Jul 29, 2019 · At TYKMA Electrox, our efficient laser marking systems are used by companies all over the world in diverse industries.One key application of our systems is for use in laser engraving jewelry, as our systems provide precision, speed, and expert quality to jewelers and engravers, along with their customers.. Read on to learn all about our laser engraving machines for jewelry and to discover the ...Estimated Reading Time: 3 mins
https://www.khollisjewelers.com/precious-metal-stamps-hallmarks
Hallmarks. The modern Hallmarking System started in London, England in the 1300s to protect the public against fraud from unscrupulous sellers. Due to the high value of pure gold, silver and platinum, there is a great deal of temptation to increase profits by reducing the precious metal content of an alloy during the manufacturing of coins, jewelry, flatware, and other valuable metal art objects.
https://www.langantiques.com/university/jewelry-identification/
Jewelry Identification Portuguese Hallmark with Deer and.800 Gold Fineness. This Mark has been Stamped at the Porto Assay Office Since 1985. Solving the intriguing riddle posed by the marks stamped onto a piece of jewelry involves the use of a variety of skills and a wealth of knowledge.
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