{"id":75832,"date":"2026-09-10T18:16:18","date_gmt":"2026-09-10T22:16:18","guid":{"rendered":"https:\/\/mississaugagold.com\/?post_type=blog&p=75832"},"modified":"2026-09-10T18:16:18","modified_gmt":"2026-09-10T22:16:18","slug":"johnson-matthey-shipwreck-silver-5g-bars","status":"publish","type":"blog","link":"https:\/\/mississaugagold.com\/zh\/canada-gold-mississauga-blog\/johnson-matthey-shipwreck-silver-5g-bars\/","title":{"rendered":"Johnson Matthey Shipwreck Silver 5g Bars: A Small Silver Bar with a Remarkable Story"},"content":{"rendered":"

Original order form promotional material, photo courtesy of Johnson Matthey Collectors<\/a> and All Engelhard.<\/i><\/span><\/p>\n

Some silver bars are valued solely for their precious metal content. Others capture the imagination because they represent a unique moment in history. The Johnson Matthey Shipwreck Silver 5g Bar<\/strong> falls into the latter category, combining the reputation of one of the world\u2019s most respected refiners with a connection to one of history\u2019s most famous treasure fleets.<\/p>\n

While each bar contains just 5 grams of .999 fine silver<\/strong>, its historical significance and collectible appeal have made it a sought-after piece among bullion enthusiasts and Johnson Matthey collectors alike.<\/p>\n

Johnson Matthey: A Trusted Name in Precious Metals<\/h2>\n

Founded in London in 1817<\/strong>, \u5e84\u4fe1\u4e07\u4e30<\/strong> established itself as one of the world\u2019s leading precious metals refiners. For decades, the company produced high-quality gold and silver bullion, supplied precious metals to governments and industry, and earned a reputation for exceptional refining standards.<\/p>\n

Although Johnson Matthey no longer manufactures investment bullion, its vintage bars continue to be highly collectible. Many collectors actively seek out Johnson Matthey products for their craftsmanship, limited availability, and historical importance.<\/p>\n

A Connection to the 1715 Spanish Treasure Fleet<\/h2>\n

\"\"1715 8 Reales Mexican Silver Cob, photo courtesy of Augi Garcia<\/a> (CC BY-SA<\/a>).<\/i><\/span><\/p>\n

What makes the Johnson Matthey Shipwreck Silver 5g Bar especially intriguing is its connection to the legendary 1715 Spanish Treasure Fleet<\/strong>.<\/p>\n

\u5728 July 1715<\/strong>, a convoy of eleven Spanish treasure ships departed Havana carrying vast quantities of gold, silver, coins, and other valuable cargo destined for Spain. Among the cargo recorded on historical manifests were large quantities of silver coins known as Spanish \u201ccobs\u201d (macuquinas)<\/strong> – irregularly shaped hammered coins commonly produced in the Spanish colonial mints of Mexico and Peru. Shortly after leaving Cuba, the fleet encountered a powerful hurricane off Florida\u2019s east coast. Most of the ships were lost, scattering their treasure along what is now known as Florida\u2019s Treasure Coast.<\/p>\n

Over the centuries, portions of the treasure have been recovered through salvage operations, and discoveries continue to be made today. The 1715 Fleet remains one of the most famous shipwrecks in maritime history, captivating historians, archaeologists, treasure hunters, and collectors alike.<\/p>\n

What Makes These Bars Unique?<\/h2>\n
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Johnson Matthey Shipwreck Silver 5g Bar, photos courtesy of Johnson Matthey Collectors<\/a>.<\/i><\/span><\/p>\n

Johnson Matthey produced these distinctive 5-gram silver bars around 1980<\/strong>. According to original Johnson Matthey promotional material and the associated ingot order documentation, the Shipwreck Silver series<\/strong> was marketed as being produced from bullion containing silver recovered from the 1715 Spanish Treasure Fleet wreck site. Collectors have long noted that this phrasing is important, as it suggests the bars were produced using a blend of recovered material and refined bullion rather than exclusively shipwreck silver.<\/p>\n

The same promotional literature and order forms also referenced additional companion products tied to the series, including gold and silver pendants<\/strong>. However, while these items were advertised, surviving examples have not been widely confirmed in the collector market, and their production remains unverified.<\/p>\n

\"\"Johnson Matthey Treasure Ingot Order Form, photo courtesy of All Engelhard<\/a>.<\/i><\/span><\/p>\n

Each bar features:<\/strong><\/p>\n