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What Are Some Identifying Marks on a Platinum Ring? LEAFtv

    https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
    Such a ring may simply read "Platinum," "Plat" or "Pt," or may be marked "95% Plat," "950 Plat" or "950 Pt." 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 …

Platinum Jewelry FTC Consumer Information

    https://www.consumer.ftc.gov/articles/0294-platinum-jewelry
    Platinum jewelry should be labeled so you can tell how much platinum there is in the piece. Any jewelry that is not labeled platinum, plat., or pt. contains less than 50% pure platinum and shouldn’t be marketed as platinum.

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" if a number is used in front of the term to disclose the amount of pure platinum in the mix, such as : "850 Plat" or "850 Pt", or

A guide to what jewelry stamps and what they mean – Think ...

    https://thinkengraved.com/blogs/news/a-guide-to-what-jewelry-stamps-mean
    Jul 19, 2018 · For silver, the stamps are 800,925,958 and 999. For platinum, the stamps are 850, 900, 950 and 999. Please refer to the photo to see what the stamps look like as well as the essay’s office stamp. That covers the most common stamps on gold jewelry. There may be some other variations or even country marks such as Italy alongside these markings.

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

    https://www.gold-traders.co.uk/blog/simple-platinum-hallmark-guide/
    The three compulsory platinum marks Sponsor Mark. Also referred to as the makers mark, the first stamp in the photo indicates who submitted the item for hallmarking. Each sponsor (maker) has their own unique stamp. Fineness Mark. The third stamp in our example photo is the fineness mark.

Identify gold, silver and platinum items SellYourGold

    https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
    6 rows · Hallmarks are distinguishing characteristics that are stamped on gold, silver and platinum ...

Jewelry Stamps: What Do They Really Mean?

    https://quickjewelryrepairs.com/articles/jewelry-stamps-what-do-they-really-mean/
    Apr 20, 2016 · 900, 900PT, PT900, 950, 950PT, PT950 – all of these stamps designate that the piece is made of one of the two most common platinum alloys. 900, 900PT, or PT 900 all signify that the metal used is 900 parts per 1,000 pure platinum, while 950, 950PT, and …Author: Chris Awad

Platinum Jewelry Enduring Strength. Eternal Elegance.

    https://platinumjewelry.com/
    Here to help you navigate your platinum jewelry purchase with education and insights into the latest styles from leading experts.

Guide to Stamps and Inscriptions on Gold Jewelry

    https://www.raregoldjewelry.com/guide-stamps-inscriptions-gold-jewelry
    Authentic gold jewelry should have a stamp to indicate the purity of the gold in the piece. This mark can be in several different formats. For example: 585, 14kt and 14K all mean 14 karat gold. All of these formats are easy to understand, except possibly the 3 digit number format.

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