Tales From the Vault – Golden California: The Era of Private Coinage

October 21, 2025 By Ben Scott

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On a crisp January morning in 1848, carpenter James W. Marshall bent over the tailrace of John Sutter’s sawmill along the American River. Something glittered in the water. Flakes and nuggets gleamed against the gravel. Gold!

Sutter and Marshall tried to keep their find a secret, but the news soon leaked. Industrious businessmen set up shop selling gold prospecting supplies, shouting for all to hear, “Gold! Gold in the American River!” Within weeks, John Sutter’s mill was virtually destroyed by thousands of fortune-seekers desperately digging for treasure.

What had been a quiet frontier with only a few hundred newcomers in 1848, exploded into a bustling thoroughfare for merchants, gamblers and opportunists. Assayers, too, rushed west. They converted the miners’ nuggets, flakes and dust into ingots of varying fineness and weight, which could then be traded for their full value.

On December 5th, 1848, President James Polk proclaimed that gold had been found in California! He initiated the largest mass migration in U.S. history. More than 300,000 people sped West. Collectively, $10 million of gold was found in 1849, $41 million in 1850, $75 million in 1851, and $81 million in 1852.

It was a personal disaster for John Sutter, but an absolute windfall for the American economy. Twelve years earlier, the nation had fallen on “hard times” after speculative lending practices – with the full support of President Jackson – led to a severe depression. Official money grew scarce, and in its stead, privately minted “Hard Times tokens” substituted as small change to facilitate daily transactions.

The rapid influx of people to California created a new shortage of coins, which assayers hurried to fill. The U.S. Constitution (Article 1, Section 10) forbade states and territories from “coining money.” However, the ban did not apply to private individuals or companies. Mirroring federal coinage for increased credibility, assayers produced standardized coins that were eagerly accepted as a medium of exchange.

The first gold coin associated with the California Gold Rush, however, was produced not in California but at the Philadelphia Mint. California’s military governor sent 230 troy ounces (7.30 kg) of the newly unearthed gold back east. Much of it was made into medals honoring Mexican War heroes Zachary Taylor and Winfield Scott, but the balance was struck into limited-edition $2 ½ pieces. Stamped with “CAL,” only 1389 pieces were produced. They are now prized by American collectors.

Norris, Gregg & Norris is credited with striking the first gold coins in California. In May of 1849, the newspaper Alta California reported the production of “… a five-dollar gold coin… [that] resembles the United States coin of the same value, but it bears the private stamp of Norris, Gregg & Norris.” The obverse legend, CALIFORNIA GOLD WITHOUT ALLOY, assured miners that they received the full melt-value of their hard-earned labor. Manufactured with virgin gold directly from the diggings, the $5 pieces contained a naturally high silver content.

The Miners’ Bank of San Francisco also struck gold pieces in 1849. However, their $10 coins were not always accepted at face value. They developed a reputation for being underweight. Since a gold coin’s value depended entirely on the amount of gold within, light weight coins triggered general distrust. As more assayers arrived in California, customers quickly discerned those companies that could be trusted. Firms such as J.S. Ormsby and the Pacific Company, which produced seriously deficient $5 and $10 pieces, rapidly lost credibility to the more reputable assayers. (Ironically, coins from these failed firms are, today, excessively rare and desirable.)

 

Beginning in the summer of 1849, John L. Moffat & Co. issued small ingots of California gold in various finenesses and denominations. Later that year, they introduced $5 and $10 coins, which proved incredibly popular; their $5 coins are among the most abundant of the California gold pieces on the market today.

Like the prospectors themselves, assayers competed fiercely. Between 1850 and 1851, Baldwin & Co. rose to rival the dominance of Moffat & Co, issuing $5, $10 and $20 denominations. However, James King of William – a leading banker and public figure – accused Baldwin & Co. of shorting their weights. On April 5, 1851, the Pacific News broke the story: THE GOLD COIN SWINDLE. It charged the firm with “shaving,” claiming a 5% loss of value between the stated weight and the actual gold content. The article demanded action: “The only way to stop this swindle seems to be to refuse the coin altogether.”

Public indignation was fierce. Merchants refused Baldwin coins, which sometimes traded at a 20% discount – far below their metallic worth. Though assays later revealed no serious deficiencies, the accusations lingered. Baldwin became an early casualty of false marketing. Ultimately, the vast majority of Baldwin’s coins were melted down, rendering them extremely rare today.

Growing distrust of lightweight private coins called for a federal solution. Congress authorized a U.S. Assay Office in San Francisco (in lieu of a full mint). Rather than starting from scratch, the government contracted the expertise and facilities of Moffat & Co. At the head of this new office was Augustus Humbert, who famously introduced the $50 octagonal “slugs.” Stamped UNITED STATES ASSAY OFFICE OF GOLD, these pieces became iconic symbols of the Gold Rush economy.

The enormous $50 slugs were then copied by Wass, Molitor & Co., which struck California gold from 1852 to 1855. Their $5, $10, $20 and $50 pieces proved popular due to their consistent 0.900 fineness. Uniquely, the Wass, Molitor $50 coin of 1855 is the only round $50 piece that circulated in California at the time.

Late to join the fray, Kellogg & Co. issued some of the last private gold coins in California. While Humbert reorganized Moffat & Co. into the permanent San Francisco Mint, Kellogg’s firm produced as much as $60,000 to $80,000 worth of $20 coins per day. Most impressive was the firm’s $50 Liberty head round slug. Only a dozen of the original issues are known today, but the dies survived. When the Central America shipwreck was salvaged in 1988, more than 500 ingots (including one over 80 lbs) were recovered. Modern restrikes were made using recovered Kellogg gold struck with a copy of the original Liberty head dies. These pieces offer a unique glimpse of what was – Gold Rush coinage born from the very metal and tools of its age.

This remarkable collection, generously donated by Dr. Carlson Chambliss, captures a glittering panorama of California’s private gold coinage – including pieces from nearly every issuing firm. Together, they tell a story of necessity: the need to relieve a desperate shortage of trusted money in a land awash with raw gold. Their role, however, was temporary. Once the San Francisco Mint opened in 1854, issuing federal coinage by 1855, the era of private California gold pieces came to a close. Today, they are testaments to the ingenuity of the frontier and the enduring importance of trust in money.

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