By Charles Morgan for CoinWeek ….
In the frigid, crushing depths of the North Atlantic, nearly three miles beneath the surface, lies a silent testament to the brutal realities of World War II: the shipwreck of the SS Gairsoppa. Torpedoed by a German U-boat in 1941, this British cargo ship carried not only essential war supplies but also an astonishing fortune in silver bullion—a treasure that would remain lost for 70 years before becoming the subject of a record-breaking salvage operation.
The SS Gairsoppa was a 412-foot steel-hulled merchant ship. Her fateful voyage commenced from Calcutta, India, in December 1940. She carried material vital for the British war effort, including pig iron, tea, general goods, and an estimated seven million ounces of silver bullion. She was bound for Liverpool, but a harrowing journey through rough Atlantic seas and dwindling coal reserves forced her to separate from her convoy and attempt to reach Galway, Ireland, for refueling.
On February 17, 1941, just days from safety, the Gairsoppa was spotted and attacked by the German U-boat U-101. A single torpedo struck her starboard side, causing a massive explosion that crippled and sank her. Within 20 minutes, the ship plunged to the seabed, taking with her 85 crew members. Only Second Officer Richard Ayres survived the ordeal, enduring 13 days adrift in a lifeboat before being rescued.
For decades, the SS Gairsoppa remained a ghost of the deep. However, in 2010, the UK Government’s Department for Transport awarded a contract to Odyssey Marine Exploration, a leading deep-ocean exploration and salvage company, to locate and recover the ship’s precious cargo.
In September 2011, Odyssey announced that it had successfully located and identified the SS Gairsoppa’s wreck approximately 300 miles off the coast of Ireland. Lying at a depth of nearly 4,700 meters (about 15,400 feet), the Gairsoppa was discovered remarkably upright with her holds open and accessible—a crucial factor for any salvage efforts.
The recovery of the SS Gairsoppa’s silver was an undertaking of unprecedented scale and technological sophistication. Utilizing state-of-the-art Remotely Operated Vehicles (ROVs) equipped with advanced sonar, imaging technology, and specialized robotic arms, Odyssey Marine Exploration began the meticulous process of lifting the silver from the ocean floor.
The initial recovery operations commenced in May 2012. Throughout 2012 and 2013, Odyssey brought to the surface a staggering amount of silver. In July 2012, approximately 1.4 million ounces of silver bullion in 1,203 ingots were recovered. By July 2013, an additional 1.8 million ounces were salvaged, bringing the cumulative total to approximately 110 tons, or 2,792 silver ingots. This marked the largest and deepest recovery of precious metal from a shipwreck in history.
Under the terms of the salvage contract, Odyssey Marine Exploration retained 80% of the net salved value of the silver bullion, with the remaining 20% going to the UK Treasury. The recovered silver, primarily in the form of large ingots stamped with the hallmark of His Majesty’s Mint at Bombay, was refined and, in some cases, even struck into commemorative coins by the Royal Mint, offering a tangible piece of this extraordinary historical recovery.
The bar offered is ingot number JZ415-4, one of the 462 .999 fine ingots recovered from the wreck. This sale presents a unique opportunity for collectors of shipwreck treasure that should not be missed.
At the time of publication, the highest bid is $36,000. Bidding ends on August 3, 2025, at 7:56 PM Pacific Time.
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