OCTOBER 23
1876•New Orleans Mint Reopens as Assay Office
1973•Bicentennial Coin Design Contest Launched
The New Orleans Mint Reopens After the Civil War
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On Monday, October 23, 1876, the old United States Branch Mint in New Orleans reopened its doors as a federal assay office after roughly fifteen years without regular Mint operations. The reopening did not immediately restore coin production, but it marked the first major step in reviving the only Southern branch mint that would ever strike United States coins again after the Civil War.
Three years later, the New Orleans facility would return to full coinage. Its presses would eventually produce millions of Morgan silver dollars bearing the famous O mint mark, along with dimes, quarters, half dollars, and several gold denominations.
The October 23 reopening therefore sits at a turning point between the Mint’s dramatic Civil War history and its celebrated late-nineteenth-century coinage.
A Mint Built for Southern Gold and Commerce
The New Orleans Mint was authorized by Congress in 1835 as part of an expansion of the federal minting system.
New Orleans was an obvious location.
The city was one of the nation’s most important ports, positioned near the mouth of the Mississippi River and connected to a vast interior trade network.
Precious metal and foreign coins moved through the city in substantial quantities.
A federal branch mint could convert bullion into standardized American money without requiring shipment to Philadelphia.
The New Orleans Branch Mint began striking coins in 1838.
Its products carried the O mint mark.
Over the following decades the facility produced both silver and gold denominations.
Before the Civil War, New Orleans coins became an important part of the nation’s circulating money, particularly in the South and along the Mississippi trade corridor.
Then secession transformed the federal mint into one of the most unusual coinage sites in American history.
Louisiana Seizes the Mint
Louisiana seceded from the Union in January 1861.
State authorities took control of the New Orleans Mint.
Existing federal dies and bullion remained at the facility.
For a brief period, coins were struck under Louisiana authority while still using United States designs.
The coins looked like ordinary 1861-O federal issues even though the political authority behind their production had changed.
After Louisiana joined the Confederate States of America, control of the Mint passed to the Confederate government.
Coinage using the regular 1861-O half dollar dies continued for a time.
This created one of the most fascinating attribution problems in American numismatics: identical-looking 1861-O half dollars were struck under the United States, Louisiana, and Confederate authorities.
Researchers have spent generations studying dies and records to separate portions of the production.
The New Orleans Mint is also famous for the extremely rare Confederate half dollar.
A special Confederate reverse die was paired with the regular United States Seated Liberty obverse.
Only four original examples are traditionally reported to have been struck.
The reverse displayed a shield, seven stars, and the words CONFEDERATE STATES OF AMERICA and HALF DOL.
The experimental pieces became legendary relics of Civil War numismatics.
The Confederate government eventually suspended coinage operations.
The Mint’s equipment remained, but regular production ceased.
In April 1862, Union naval forces captured New Orleans.
Federal authority returned to the city, yet the Mint did not simply resume striking coins.
The building entered a long period of inactivity and alternative use.
The Mint became the setting for one of occupied New Orleans’ most notorious incidents.
After Union forces raised the United States flag over the building, William B. Mumford tore it down.
Union Major General Benjamin Butler ordered him tried.
Mumford was convicted and hanged from the Mint building on June 7, 1862.
The execution became a powerful symbol of the bitterness surrounding federal occupation.
Why Didn’t the Mint Immediately Reopen?
Possessing the building was not the same as needing a functioning branch mint.
Years of war disrupted Southern commerce.
Federal coinage requirements could be met elsewhere.
The New Orleans equipment deteriorated while the facility sat outside the active minting network.
By the mid-1870s, bringing it back would require political support, money, repairs, and a reason to justify the expense.
An assay office did not need to manufacture finished coins.
Its basic role was to receive precious metals, determine their purity and value, and perform related bullion work.
Reopening New Orleans in that capacity required less than immediately restoring every coining department.
It also reestablished a federal precious-metals presence in a major commercial city.
That made the assay-office model a practical bridge between abandonment and full minting operations.
The official annual report of the Director of the Mint for the fiscal year ending June 30, 1877 records that New Orleans “opened as an assay office October 23, 1876.”
Later Mint historical materials likewise identify Monday, October 23 as the day the facility reopened its doors.
This is unusually strong documentation for an exact nineteenth-century operational date.
The old branch mint was active again, though not yet striking coins.
Dr. Maximilian F. Bonzano became the assayer in charge and played a central role in the revived facility.
Bonzano already had a remarkable connection to the Mint’s Civil War history.
He had worked there before and during the secession crisis and later provided important testimony about what happened inside the institution during Confederate control.
His postwar role connected the prewar Mint, the Civil War, and the Reconstruction-era reopening.
The Building Needed Serious Work
Reopening as an assay office did not mean the old Mint was ready to resume coin production.
Machinery and infrastructure had deteriorated during the long shutdown.
In 1877, special Mint agent James R. Snowden asked Bonzano to report on what would be required to restore full operations.
The resulting assessment identified extensive repairs and equipment needs.
Bonzano reported that the melting department and refinery needed work and additional machinery.
Those departments were essential to coin production.
Precious metal had to be melted, refined, alloyed to the proper standard, and prepared before it could become planchets.
A mint with functioning presses but inadequate melting and refining capacity could not operate efficiently.
The New Orleans restoration therefore had to address the entire production chain.
The coining department also required attention.
Historical accounts of Bonzano’s report note that a new press was needed for large silver coins such as Trade dollars.
Boilers installed in the 1850s had deteriorated.
After more than a decade without normal coin production, the facility could not simply restart nineteenth-century industrial machinery and expect reliable output.
Revival required modernization.
The New Orleans Mint site carried an additional complication.
The original land arrangement was tied to use of the property as a mint.
Because no coins were being manufactured, questions arose over whether the federal government was satisfying the terms under which it occupied the site.
In July 1876, before the assay office reopened, U.S. Marshal Stephen B. Packard reportedly proposed seizure of the property for Louisiana on the ground that it was no longer being used as a mint.
The dispute encouraged the government to clarify title to the property.
Later Mint reports described negotiations with New Orleans authorities that resulted in the square of ground being deeded to the United States in fee simple.
This removed uncertainty over the government’s long-term possession of the site.
The issue shows that reviving a mint involved more than repairing machinery; even the legal status of the land had to be settled.
Why New Orleans Became Important Again
By the late 1870s, national monetary policy was changing.
The country was moving toward resumption of specie payments after the Civil War’s paper-money era.
Debates over silver intensified.
Then Congress passed the Bland-Allison Act in 1878, requiring the Treasury to purchase large quantities of silver and coin them into standard silver dollars.
Suddenly, additional minting capacity became extremely valuable.
The Bland-Allison Act required the Treasury to purchase between two million and four million dollars’ worth of silver each month and coin it into silver dollars.
Philadelphia, San Francisco, and Carson City already had heavy workloads.
A restored New Orleans facility could help absorb the enormous new silver-dollar mandate.
The assay-office reopening of 1876 now looked less like a modest regional service and more like the foundation for a badly needed branch mint.
Federal appropriations supported the repair and reequipping of the New Orleans facility.
Machinery was installed and departments were restored.
The government prepared the building to do what it had not done since 1861: manufacture United States coins.
By 1879, the transformation from dormant Civil War relic to active branch mint was complete.
The New Orleans Mint resumed coinage in 1879.
Its most important new product was the Morgan silver dollar.
The large silver coins were precisely the kind of high-volume production the Bland-Allison Act demanded.
The O mint mark returned to American coinage after an eighteen-year interruption.
For collectors today, 1879-O marks the beginning of the Mint’s second great era.
The 1879-O Morgan Dollar
New Orleans struck millions of Morgan dollars in 1879.
George T. Morgan’s design had debuted the previous year.
The obverse featured Liberty wearing a cap decorated with agricultural motifs, while the reverse showed an eagle with spread wings.
The small O mint mark appeared beneath the wreath on the reverse.
That letter would become one of the most familiar mint marks in the Morgan dollar series.
New Orleans also struck gold in 1879.
Among the year’s most famous products was the 1879-O Liberty Head double eagle.
Only 2,325 pieces were struck, making it a major rarity in the $20 gold series.
The coin demonstrates that the revived Mint was not solely a silver-dollar factory.
It returned to the broader precious-metal coinage role it had held before the Civil War.
From 1879 through 1904, New Orleans produced enormous quantities of Morgan dollars.
Many remained in Treasury storage for decades.
Large releases during the twentieth century brought bags of O-mint dollars into the collector market.
As a result, generations of collectors came to associate the New Orleans Mint primarily with Morgan dollars, even though the institution’s history reached back to the 1830s.
New Orleans coins are often discussed for their variable strike quality.
Some Morgan dollars show weakly defined hair over Liberty’s ear or incomplete breast feathers on the eagle.
Die wear, striking pressure, planchet preparation, and production demands all influenced appearance.
Collectors therefore evaluate New Orleans coins not merely by numerical grade but by strike, luster, surface quality, and eye appeal.
A sharply struck O-mint coin can command special attention.
The New Orleans Mint’s second coinage era lasted three decades.
After Morgan dollar production stopped in 1904, the facility continued striking other denominations and resumed silver-dollar production briefly in 1903 and 1904 before the series’ original run ended.
New Orleans continued coining through 1909.
By then, newer and more efficient facilities at Denver and San Francisco reduced the need for the aging Southern branch.
The Mint Becomes an Assay Office Again
After coin production ended, the New Orleans building returned to assay-office duties.
Thus the role it had resumed on October 23, 1876 eventually became its role again after the presses fell silent.
Assay operations continued into the twentieth century before being transferred elsewhere.
The building subsequently served a remarkable series of federal functions, including use as a prison and Coast Guard storage facility.
Many historic American mint buildings have disappeared or been radically altered.
The New Orleans Mint survives.
Louisiana eventually acquired the structure, and it became part of the Louisiana State Museum system.
Today the old mint is one of the most tangible surviving links to nineteenth-century American coin production.
Visitors can stand inside a building that served the United States, Louisiana, the Confederacy, and the United States again.
The Civil War shut down the Southern branch mints at Charlotte, Dahlonega, and New Orleans.
Charlotte and Dahlonega never resumed federal coinage.
New Orleans did.
That distinction makes October 23, 1876 particularly important.
The assay-office reopening was the first operational step toward a revival that the other Southern branch mints never experienced.
October 23, 1876 was not the day the first postwar O-mint coin was struck.
That would come in 1879.
Its importance lies in reopening the institution itself.
After roughly fifteen years without normal Mint operations, the New Orleans building returned to federal precious-metals service as an assay office.
Official Mint reports explicitly record the date.
From that modest restart came repairs, new machinery, renewed federal investment, and ultimately one of the most important chapters in Morgan dollar history.
Every 1879–1909 O-mint coin traces its post-Civil War lineage back to the day the doors reopened on October 23, 1876.
ALSO ON THIS DAY
1973 — Bicentennial Coin Design Contest Launched — The Treasury announced the national competition for new Bicentennial reverse designs for the dollar, half dollar, and quarter.