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Platinum Jewelry: What are PGM and Platinum Marks?

    https://www.liveabout.com/platinum-jewelry-information-2043747
    Aug 17, 2017 · Jewelry that contains at least 950 parts per thousand of pure platinum may be marked or described as "Platinum". Jewelry that contains 850, 900 or 950 parts per thousand of pure platinum may be marked "Plat" or "Pt" …

What Are Some Identifying Marks on a Platinum Ring? LEAFtv

    https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
    Rings containing 850 or more parts pure platinum may be described as "platinum" if they use the number "850," or "85% or more" to qualify "Platinum" or its abbreviation in the content marking. Abbreviation marks for other PGMs include: "Plat." or "Pt." for platinum; "Irid." or "Ir." for iridium; "Pall." or "Pd." …

Simple Platinum Hallmark Guide - Gold-Traders (UK) Ltd

    https://www.gold-traders.co.uk/blog/simple-platinum-hallmark-guide/
    Mar 14, 2011 · Under hallmarking legislation, there is no compulsorary requirement to show these additional marks, however they are often shown. Traditional Fineness Symbol. If your platinum item has a purity of 950 or 999, it may display the traditional orb mark. In our example photograph, you can see the second stamp is the traditional fineness …

What Is Platinum and Should I Buy It for my jewelry ...

    https://www.jewelryshoppingguide.com/what-is-platinum/
    A hallmark is a small identification symbol that is stamped on the jewelry, indicating the level of purity of the metal. Platinum used in jewelry, like this ring, is generally of higher purity than gold. Some …

Identify gold, silver and platinum items SellYourGold

    https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
    A Makers Mark is the designer, manufacturing firm or representative symbol that is stamped into your precious metal - also called trademarks. This mark provides proof that your jewelry item was made by the designer or jewelry maker and is considered "signed". All marks …

Jewelry Maker’s Mark Antique Jewelry University

    https://www.langantiques.com/university/jewelry-makers-mark/
    Jewelry Maker’s Mark. Maker’s marks are the initials or name of the manufacturing firm or other representative symbol stamped into a gold , silver or platinum item. Also called ‘Trademarks,’ they …

How to Identify Jewelry Markings LEAFtv

    https://www.leaf.tv/articles/how-to-identify-jewelry-markings/
    Remember that jewelry marked “900 Platinum” is 90 percent pure platinum, or 900 parts pure platinum out of 1,000. Look for any of these other marks to indicate this type of jewelry: “900 Plat,” “Plat 900,” …

Antique and Vintage Jewelry Maker's Marks: A Collector’s Guide

    https://www.invaluable.com/blog/guide-to-jewelry-marks/
    Apr 06, 2020 · When considering platinum jewelry, the purity mark “950” denotes a composition of 95 percent platinum with a mix of other metal alloys, while “900” is made up of 90 percent platinum, and …

Jewelry Makers Marks In Alphabetical Order - Photos ...

    http://www.amaterracrianza.com/jewelry-makers-marks-in-alphabetical-order/
    Nov 29, 2016 · Of vine jewelry s researching ume jewelry sponsor s marks in watch cases jewelry sts what do they really mean how to read precious metal hallmarks Jewelry Makers Marks In Alphabetical Order BeautifulearthjaSilver Jewelry Marks Learn To Identify And DateHallmarks Maker S Marks Resource Antique JewelryJewelry Markings Chart N Materi… Continue Reading Jewelry Makers Marks …

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