Johnson Matthey Gold Serial Number Lookup
About.Ag All About Silver. The buck stops here. Republic Metals Corporation (RMC) filed for Chapter 11 bankruptcy - $90M gone, significant inventory discrepancy Rust Rare Coin accused of $170M Ponzi scheme. Obverse: Displays Johnson Matthey logo, the weight, purity, and serial number. Reverse: Features diagonally repeating Johnson Matthey logos. Bars come with an individual assay card that matches the serial number of the bar, guaranteeing the Platinum metal weight and purity.
ALL ENGELHARD is pleased to welcome visitors to our Johnson Matthey Definitive Page. While our focus is clearly Engelhard, we recognize that many Engelhard bullion collectors also collect Johnson Matthey bars and ingots. As such, we appreciate the opportunity to present important bullion information on the world’s second most collectible refiner, Johnson Matthey. We hope you welcome this new addition, and we look forward to your thoughts and input! Aaa Image Name Obverse Reverse Info Sample Serial Numbers Estimated Mintage 1 Gram, Variety B [Rectangle logo, JM on left and crossed hammers on right] JOHNSON MATTHEY ASSAYERS & REFINERS [Rectangle with ‘FINE SILVER’ and ‘999’] 5 GRAMS [Rectangle with Serial #] JM Logo (Rectangle with JM on left and crossed hammers on right) repeated, about 5 fully visible.
E1609, E8914, E9487.
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• This Guide's 3rd mission is to give at least 1/2 of what it earns from its, Sponsors, and to Gold Nanoparticle Cancer Research through (Every Advertising LINK on this Guide is from one of our ) The History of Johnson Matthey The Johnson Matthey Company has a long history of refining platinum group metals. The company dates back to the grandfather of Percival Norton Johnson. Percival Johnson was the founder of Johnson Matthey company; he was also a founding member of the. (the oldest national chemical society in the world) Percival's grandfather was an assayer of ores and metals, in London, during the late 1700's. After his grandfather's death, Percival's father, John Johnson (1765–1831), took over his father's business and got involved in the platinum trade. At the age of 15, Percival Johnson (1792-1866), became an apprentice, in his father's firm.
During his apprenticeship, he published the following paper Titled:. In the paper, Percival Johnson showed that small quantities of platinum mixed with gold and silver in nitric acid cause a facilitated separation of pure gold, from the solution. Through his work, he proved to his father that he was a skilled assayer and mineralogist. In 1817, Percival became a full partner in his father's assaying firm; this is the same year often referenced to be the year when the Johnson Matthey Company was established.
Johnson's knowledge in assaying precious metals, allowed him to find the exact value and purity of a gold bar by applying chemical tests to the physical metal. The firm became the first London assayer to offer a guarantee on the quality of a gold bar; the business grew when Johnson began to offer buy-backs on the bars of gold he assayed. Percival built a small gold refinery for the gold bars that were coming into his growing business. He proved to his customers to be proficient at the extraction of Platinum Group Metals and other ores from gold bars; which established his firm in the London Bullion Market, for its technical abilities.
Over the next few years, Johnson added a few partners in his company. In 1832, he added George Stokes to the firm, creating the partnership of Johnson and Stokes. Stokes died in 1835, a few years later in 1837, William John Cook (1813–1892) a skilled assayer, joined the firm, creating the partnership of Johnson & Cook. Then in 1838, George Matthey (1825–1913), joined the firm as an apprentice to Perival Johnson and William Cook, at the young age of 13.
George Matthey was an excellent assayer and chemist, he studied at the Royal College of Chemistry; he also proved to Johnson to be a fast learner and became very interested in platinum refining. Matthey developed a 'head for business' and wanted to build Johnson's firm into a great company. In 1851, Johnson made George Matthey a full partner in the firm, creating the Johnson Matthey Company. Matthey pushed Johnson to expand the company's capabilities, Matthey is regarded to be the one who transformed the business into the International Conglomerate it is today. Johnson Matthey Notable Achievements • 1852 - Appointed as the official assayers to the Bank of England.