Is this a common looking hallmark for a platinum ring? I'm only familiar with gold and silver marks : r/Platinum
Platinum ring Harry Winston Silver size 6 US in Platinum - 26318158
Antique jewelry: How to identify gold and silver hallmarks
Metal Hallmarking Guide | Taylor & Hart
assay and finess marks for silver gold and platinum before 1975 | Sterling silver flatware pattern, Silver, Jewelry education
Tiffany and Co. Lucida Platinum 6 MM Band Ring For Sale at 1stDibs | silver ring markings, platinum ring markings, platinum markings
Retro Platinum Pear Cut Diamond Engagement Ring 1.10ctw – A. Brandt + Son
Marks Stamped Inside Rings – Albert Hern
A Guide to Jewellery & Gold Hallmarks | James Porter & Son
Always look for the Pt 950 & Jewelove marks inside your platinum jewelry. PT 950 mark ensures it is an authentic p… | Platinum jewelry, Rings for men, Wedding rings
Tiffany & Company Novo 0.51 Carat Diamond Platinum Ring — DeWitt's Diamond & Gold Exchange
Identify gold, silver and platinum items | SellYourGold
2.01ct Emerald-Cut Sapphire and Diamond Platinum Ring - Bijoux Extraordinaire
Marks on Jewelry: Deciphering Value
Art Deco Orange Blossom Platinum Patterned Band size 6.5 c. 1930 – Bavier Brook Antique Jewelry
Platinum : The Science, History, Care, and Story : Arden Jewelers
Finishing the Inside of a Platinum Ring - Ganoksin Jewelry Making Community
Does Platinum Scratch? How Durable is Platinum for Jewellery?
Vintage Art Deco 5 Stone Diamond Ring Platinum Filigree Band Fine Jewelry For Sale at 1stDibs | platinum markings, platinum jewelry markings, diamond markings
Tiffany & Co. 0.53CT Round Brilliant Platinum Solitaire Engagement Ring w/ Certificate - Diamond Guy Hawaii
Simple Platinum Hallmark Guide
Platinum Markings & Hallmarks for Selling - Precious Metal Refining Blog from Arch Enterprises – Gold & Silver Refiners
Identify gold, silver and platinum items | SellYourGold
Georgian Jewelry | The Three Graces
Just bought this platinum ring, it's brand new and never worn. Tried to clean it with a piece of cloth, but the marks don't go away. Are these scratches or impurities? Thanks! :
Sizing Up a Platinum Band by Stretching
