NGC Presents the Last Great Mystery of the SS Central America Shipwreck

For more than 130 years, treasure hunters dreamed of discovering the wreck of the SS Central America, which quickly became known as the “Ship of Gold.” When the wreck was finally discovered in the late 1980s, the process of retrieving its treasure began.

by Certified Collectibles Group | Published on February 20, 2022

SARASOTA, Fla. (February 14, 2022) — On September 3, 1857, the SS Central America began a voyage from Panama to New York carrying very important cargo: thousands of freshly minted gold coins from California, desperately needed by New York banks that were facing an economic crisis. Six days later, the ship found itself in the grips of a Category 2 hurricane off the coast of the Carolinas. After three days of struggling with high winds and waves, the ship’s crew lost its battle with the storm and the Central America sank, resulting in the loss of more than 400 lives and more than 9 tons of gold.

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For more than 130 years, treasure hunters dreamed of discovering the wreck of the SS Central America, which quickly became known as the “Ship of Gold.” When the wreck was finally discovered in the late 1980s, the process of retrieving its treasure began.

Numismatic Guaranty Company™ (NGC®) is thrilled to reveal to the public the final mystery of the ship’s recovered cargo — a box containing $20 gold coins from the height of the California Gold Rush, now certified, preserved and ready to be studied and appreciated by collectors around the world. This video shows the treasure’s journey to the NGC grading room: .

California Gold Marketing Group acquired the SS Central America treasure from those who salvaged it from the wreck. It entrusted NGC with the certification of the first coins recovered from the SS Central America, and now the last.

“It’s the greatest treasure ever found in American history,” says Dwight Manley, Managing Partner of the California Gold Marketing Group. “It’s the greatest treasure ever lost in American history. And it’s from a magical period in American history, the Gold Rush, the authentic United States Gold Rush, the biggest one in history.”

The coins graded by NGC consist of 123 US Liberty Head $20 gold coins, known as Double Eagles. The San Francisco Mint Box that contained the coins had been transformed into a “concretion” by the conditions that it endured during its time on the seafloor. The contents of the box were identified as coins, but their condition was unknown prior to its recent opening. After professional conservation, many of the coins were found to be of exceptional quality.

Mark Salzberg, NGC Chairman, praised the condition of the coins, describing some of them as “fresh off the die.” Among the most impressive coins discovered in the box was one that graded NGC MS 67 PL, making it the finest known Prooflike example of an 1857-S $20 gold coin. Another example with exceptional eye appeal graded NGC MS 67★, which is the highest-graded 1857-S $20 gold coin with the NGC Star Designation. Incredibly, four of the 1857-S $20 gold coins graded NGC MS 67+, indicating that they approach the quality requirements of an NGC MS 68.

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To view a gallery of all 123 coins, which includes primarily 1857-S examples but also 1850, 1851, 1852, 1855-S and 1856-S coins, visit .

The coins certified by NGC were minted with gold mined at the height of the California Gold Rush. It was hoped that their arrival in New York would bolster confidence in the US financial industry, which had been shaken by the announcement of the collapse of the Ohio Life Insurance and Trust Company in August 1857. When the gold failed to arrive, it sparked what has come to be known as the Panic of 1857, which is considered the first worldwide economic crisis.

The discovery of the shipwreck after more than a century of searching resulted in numerous expeditions to reclaim the lost cargo. Bob Evans, Chief Scientist of the SS Central America recovery efforts, was instrumental in locating artifacts from the legendary ship, including the box of coins. Once the mineralization was removed from the coins, Evans says that they look “exactly the way they looked in 1857” with Prooflike coins even stacked together in the box.

As the coins were extracted from the concretion, each coin’s location in the box was cataloged according to row, stack and the coin’s place in the stack. These “coordinates” (appropriate for shipwreck coins) are indicated on the NGC certification label: first, “A” or “B” for the row; next is the number of the stack; and the third number identifies the coin’s place in the stack. Collectors will also appreciate that the NGC certification number for these coins includes the year 1857.

greysheet newsThe certification of the coins from the SS Central America is another example of the role that NGC has been privileged to play in the certification of significant historical artifacts, from coins retrieved from the bottom of the ocean to medals flown to the surface of the moon as well as many others that have captured the hearts of numismatists and earned a place in the history of coin collecting.

“You’re talking about the end of a great, great story,” concludes Salzberg. “It’s a world-renowned collection and to have it come here is just fantastic.”

NGC-certified coins from the SS Central America are now available through select retailers.

About Numismatic Guaranty Company™ (NGC®)

NGC is the world’s largest and most trusted third-party grading service for coins, tokens and medals, with more than 53 million collectibles certified. Founded in 1987, NGC provides an accurate, consistent and impartial assessment of authenticity and grade. Every coin that NGC certifies is backed by the comprehensive NGC Guarantee of authenticity and grade, which gives buyers greater confidence. This results in higher prices realized and greater liquidity for NGC-certified coins. To learn more, visit

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NGC, NCS, PMG, CGC, CCS, CSG, ASG, CAG and CCG are the registered trademarks or unregistered trademarks of Numismatic Guaranty Company, and/or its related companies in the United States and/or other countries. All other names and marks referenced in this release are the trade names, trademarks, or service marks of their respective owners.

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Source: Certified Collectibles Group

Certified Collectibles Group image The Certified Collectibles Group (CCG) is a set of independent third-party companies (NGC, NCS, PMG, CGC & ASG) focused on the expert authentication, grading and conservation of collectibles.

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