JULY 23
1965•Coinage Act of 1965 — End of 90% Silver Dimes & Quarters
1873•1873-CC Trade Dollar
The Coinage Act Ends 90% Silver Dimes and Quarters
On July 23, 1965, President Lyndon B. Johnson signed the Coinage Act of 1965, fundamentally changing the metal content of everyday American money. The law eliminated silver from new dimes and quarters, replacing the traditional 90% silver alloy with copper-nickel clad construction, while reducing the Kennedy half dollar from 90% to 40% silver. The change was driven by a growing worldwide silver shortage, rising bullion demand, and the disappearance of coins from circulation as Americans hoarded silver pieces. Johnson declared that the nation needed a coinage supply “adequate for our needs” and insisted the new coins would work side by side with old silver issues. The act ended more than a century of 90% silver dimes and quarters and created the basic clad coinage system Americans still use today.
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A Turning Point in American Pocket Change
Few federal laws changed the physical nature of ordinary American money as dramatically as the Coinage Act of 1965.
Before the act, a dime or quarter pulled from circulation was traditionally 90% silver.
Afterward, newly produced dimes and quarters would contain no silver at all.
The half dollar retained silver temporarily, but at a sharply reduced 40% composition.
The familiar denominations survived.
Their designs largely survived.
What changed was the metal inside them.
President Lyndon B. Johnson approved Public Law 89-81 on July 23, 1965.
At the signing ceremony, Johnson described the legislation as the first major change in U.S. coinage in many decades.
He explained that the country faced a serious shortage of silver and an equally serious shortage of circulating coins.
The new law was intended to make coin production sustainable without tying the nation's supply of small change to a precious metal whose market demand was rapidly increasing.
July 23 is therefore the legal turning point between traditional silver coinage and the modern clad era.
The Silver Shortage
Silver demand was growing around the world.
Industrial uses expanded in photography, electronics, electrical applications, and other technologies.
At the same time, the United States was consuming enormous quantities of silver simply to manufacture circulating coins.
As silver's market value approached the face value of coins, people had an obvious incentive to save rather than spend them.
A quarter could no longer function efficiently as everyday money if its metal content threatened to become worth more than twenty-five cents.
The crisis was not only about bullion economics.
Businesses and banks were experiencing shortages of actual coins.
Vending machines, parking meters, laundromats, stores, transit systems, and countless cash transactions depended on a reliable flow of small denominations.
Yet Americans increasingly pulled silver coins from circulation.
Collectors were also blamed for hoarding, although the shortage had broader causes including rapid economic growth, expanding vending-machine use, and the intrinsic appeal of silver coins.
The Mint responded with extraordinary production measures.
During the early 1960s, the United States Mint dramatically increased output.
Philadelphia and Denver ran at high capacity.
The San Francisco facility, which had stopped producing regular circulating coins years earlier, was brought back into production to help meet demand.
Even huge mintages failed to solve the shortage while people continued removing older silver coins from circulation.
Congress and the Johnson administration concluded that changing the metal composition was unavoidable.
The Roosevelt dime had been introduced in 1946 as a 90% silver coin.
Under the Coinage Act of 1965, the denomination changed to a clad construction.
The new dime used outer layers of copper-nickel bonded to a pure copper core.
The design remained John R. Sinnock's portrait of Franklin D. Roosevelt on the obverse and torch, olive branch, and oak branch on the reverse.
To most people, the new coin looked familiar.
Its edge revealed the difference: a copper-colored stripe became visible between the outer layers.
The Washington quarter underwent the same transformation.
John Flanagan's familiar Washington portrait and eagle reverse continued, but the 90% silver alloy disappeared from new production.
The clad quarter also used copper-nickel outer layers bonded to a copper core.
Its weight fell from 6.25 grams for the silver version to 5.67 grams for the clad coin.
For collectors today, the exposed copper core along the reeded edge is one of the quickest visual clues distinguishing a common clad quarter from an older silver piece.
The Kennedy Half Dollar Gets a Compromise
The half dollar received different treatment.
The Kennedy half had debuted only in 1964 following President John F. Kennedy's assassination.
Its first-year coins were 90% silver.
The Coinage Act reduced the denomination to 40% silver rather than eliminating silver completely.
The new construction used silver-bearing outer layers bonded to an inner core with lower silver content.
The overall coin averaged 40% silver by weight.
The half dollar occupied a special position.
Congress and the administration wanted to conserve silver but were reluctant to remove it completely from the Kennedy memorial coin so soon after its introduction.
The 40% alloy was a compromise.
It reduced the amount of precious metal substantially while preserving a meaningful silver content.
The compromise did not last long.
Regular circulating Kennedy halves became copper-nickel clad beginning with 1971-dated coins.
One of the strangest features of the coin shortage was that the Mint continued striking coins dated 1964 well after calendar year 1964 had ended.
Congress authorized this extraordinary step to discourage people from treating each year's coins as collectibles.
The theory was simple: if enormous numbers of identical 1964-dated coins continued appearing, collectors would have less reason to save them merely because of date.
Thus a coin's stamped date no longer necessarily identified the year it was physically struck.
Because 1964-dated production continued, the transition to 1965-dated clad coinage did not occur in the normal calendar pattern.
The Mint first concentrated on creating enough new coins to relieve the shortage.
Clad quarters entered production in 1965 and began reaching the public later that year.
The transition period therefore created overlapping production in which older-dated silver coins and newer clad coins were manufactured and circulated together.
That overlap was intentional.
Johnson Wanted Both Types to Circulate Together
At the signing ceremony, President Johnson directly addressed fears that silver coins would suddenly become obsolete.
He emphasized that old silver coins would continue to circulate with the new clad pieces.
The government did not demonetize the silver dimes, quarters, or halves.
A 1964 silver quarter remained legal tender for twenty-five cents.
Its later bullion and collector value did not change its face value.
The problem was that the public quickly understood silver coins were worth saving.
The transition offered a classic demonstration of the economic principle often summarized as “bad money drives out good.”
When two forms of money have the same legal face value but one contains more valuable material, people tend to spend the cheaper form and save the more valuable one.
Americans spent clad dimes and quarters.
They saved silver ones.
Within a relatively short time, 90% silver coins largely disappeared from ordinary circulation.
They did not cease to exist; they migrated into jars, collections, dealer inventories, bullion holdings, and eventually melting pots.
The copper-nickel clad structure was an engineering solution as well as an economic one.
New coins had to work in vending machines and other devices designed around existing denominations.
They needed suitable electrical and mechanical characteristics, durability, and recognizable appearance.
Bonding outer copper-nickel layers to a copper core produced a coin that could replace silver without forcing the country to redesign every machine accepting dimes and quarters.
The visible copper stripe became a hallmark of modern American coinage.
The Coinage Act era also produced another striking numismatic change.
Mintmarks disappeared from circulating U.S. coins dated 1965, 1966, and 1967.
Officials believed collectors were contributing to the shortage by saving coins from particular mints.
Removing mintmarks was intended to reduce that incentive.
Coins made at Denver and San Francisco during this period therefore generally did not identify their facility in the traditional way.
Mintmarks returned to circulating coinage in 1968.
Proof Sets Were Suspended
The Mint also suspended traditional Proof Set and Uncirculated Mint Set production during the crisis.
Instead, it issued Special Mint Sets for 1965, 1966, and 1967.
These products occupied a middle ground between ordinary circulation strikes and traditional Proofs.
The policy again reflected the government's desire to focus resources on producing enough coins for commerce while reducing what officials considered unnecessary collector pressure.
Traditional Proof Sets returned in 1968, produced at San Francisco.
Government officials frequently criticized coin collectors during the shortage.
There was some truth behind the concern: collectors did save coins by date and mintmark.
But collectors alone could not explain the nationwide shortage.
The economy was expanding rapidly, demand for coin-operated services was increasing, and the rising value of silver gave ordinary Americans—not just numismatists—a reason to hoard coins.
Removing mintmarks and suspending Proof Sets addressed only part of a much larger monetary problem.
Silver had been central to United States coinage from the Mint's earliest years.
The Coinage Act of 1792 established silver dollars and fractional silver denominations as fundamental parts of the monetary system.
Compositions and weights changed over time, but silver remained standard in dimes, quarters, and half dollars for generations.
The July 1965 act severed that everyday connection.
After the transition, Americans could carry a pocket full of dimes and quarters without carrying any precious metal at all.
For modern collectors and bullion buyers, 1964 became a dividing line.
United States dimes, quarters, and half dollars dated 1964 and earlier are generally 90% silver, with specialized exceptions elsewhere in U.S. coinage.
Kennedy halves dated 1965 through 1970 are 40% silver.
Regular dimes and quarters dated 1965 onward are generally copper-nickel clad.
That simple date distinction remains one of the first pieces of practical knowledge learned by people searching old coins for silver.
As silver prices rose over subsequent decades, enormous quantities of old U.S. silver coinage were melted for bullion.
The process accelerated during periods of extreme silver-price increases, especially around 1979–1980.
Common-date coins that once circulated by the hundreds of millions became valued primarily for their metal.
No one knows exactly how many examples of each issue disappeared into melting furnaces.
This uncertainty is one reason surviving populations can differ significantly from original mintage figures.
The Coinage Act Solved the Supply Problem
From the government's perspective, the clad transition succeeded.
The Mint could produce dimes and quarters without consuming massive quantities of silver.
There was no longer an intrinsic-metal incentive to hoard every newly minted coin.
Production could expand to meet economic demand.
By the late 1960s, the acute coin shortage had eased.
The basic clad system proved durable enough that it remains the foundation of U.S. circulating dimes and quarters more than half a century later.
An interesting feature of the transition is how visually conservative it was.
The Roosevelt dime did not receive a new design to announce its new composition.
Neither did the Washington quarter.
The Kennedy half retained its design while its silver content dropped.
The government wanted the new coins to function seamlessly as familiar money.
As a result, two coins with nearly identical designs can represent completely different metallurgical eras.
The end of silver in ordinary dimes and quarters did not mean the United States Mint abandoned silver permanently.
Silver returned in commemorative coins, collector versions, bullion products, and later Silver Proof Sets.
The American Eagle Silver Bullion Coin Program began in 1986.
Modern collectors can buy silver quarters and dimes in special products even though the circulating versions remain clad.
The crucial change in 1965 was the removal of silver from routine everyday production.
The Coinage Act created a natural division in modern U.S. collections.
Pre-1965 silver coins became a distinct category.
Roll searching acquired a treasure-hunt quality: every older dime or quarter might contain silver.
“Junk silver” developed as a bullion-market term for common circulated 90% silver U.S. coins valued primarily for metal rather than rarity.
Even people with little interest in numismatics learned to check dates.
Few laws have had such a lasting effect on the way ordinary Americans perceive old pocket change.
Also on July 23: Carson City's First Trade Dollars Are Paid Out
The master calendar's secondary event occurred nearly a century earlier.
On July 23, 1873, the first Carson City Trade Dollars were paid out to local silver depositors.
The Carson City Mint had begun producing the denomination the previous day, July 22.
A contemporary Carson Daily Appeal report stated that 4,500 Trade Dollars had gone through the press and that $2,580 in the new coins had been paid to depositors.
This was the first payout and circulation milestone for the denomination in the American West.
The distinction is worth preserving because the previous day's calendar entry marks first production.
July 22, 1873: Carson City put the new Trade Dollar dies into operation.
July 23, 1873: the first 2,580 coins were paid to depositors.
Contemporary newspaper coverage supports both milestones.
Separating them shows how coinage actually moved through the Mint: dies arrived, production began, coins were counted and processed, and only then were they paid out.
On July 23, 1965, President Lyndon Johnson signed a law that permanently changed what Americans carried in their pockets.
For generations, a dime or quarter had meant silver.
The Coinage Act broke that connection.
New dimes and quarters would be copper-nickel clad. The Kennedy half dollar would retain only 40% silver, and even that would disappear from regular circulation coinage after 1970.
The law was born from necessity: silver demand was rising, coins were disappearing from circulation, and the Mint could not keep feeding precious metal into denominations whose face value threatened to fall below their bullion value.
The solution was a bonded clad coin that looked familiar, worked in existing machines, and cost far less to manufacture.
Americans quickly saved the old silver and spent the new clad coins.
The silver era faded from circulation.
But the line drawn by July 23, 1965 remains visible every time a collector checks a dime or quarter and asks the simplest of questions:
Is it 1964 or earlier?
ALSO ON THIS DAY
1873 — 1873-CC Trade Dollar — First Carson City Trade Dollars paid to local silver depositors / circulated in West