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Johnson Matthey, 10 gram platinum ingot. Johnson Matthey name is known around the world as a hallmark of its products' quality, purity and liquidity Stock Photo - Alamy
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Johnson Matthey: Platinum Group Metals Prices Soar as Demand Recovers Amid Supply Disruption - Hydrogen Central
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Great Condition 1 Troy ounce Johnson Matthey JM Platinum Bar .9995 Platinum HARD TO FIND- READY TO SHIP! | MA-Shops
![An engraving depicting Johnson, Matthey & Co's improved platinum rectifying still for the production of sulphuric acid. Dated 19th century Stock Photo - Alamy An engraving depicting Johnson, Matthey & Co's improved platinum rectifying still for the production of sulphuric acid. Dated 19th century Stock Photo - Alamy](https://c8.alamy.com/comp/2A2689X/an-engraving-depicting-johnson-matthey-cos-improved-platinum-rectifying-still-for-the-production-of-sulphuric-acid-dated-19th-century-2A2689X.jpg)