US silver half dollar history: A guide to 90% silver coins

The US silver half dollar history stretches back to 1794, making it one of the longest-running coin series in American numismatics – and one of the most misunderstood by new collectors. Knowing which half dollars actually contain silver, and how much, is the difference between a smart buy and an expensive mistake. This guide covers every major era, the key dates that matter, and how to build a collection without getting burned.

Silver half dollars are not all created equal. A coin that looks identical to another can be worth $12 or $120 depending on when it was minted. The stakes are real, especially with silver trading around $82 an ounce today. Whether you are buying your first roll of junk silver or hunting for a high-grade Franklin, the facts below will help you spend wisely.

The Origins: 90% Silver From Day One

The U.S. half dollar debuted in 1794 with a composition of 90% silver and 10% copper. That standard held for over 170 years – through the Bust coinage, the Seated Liberty era, the Barber Half Dollar, the Walking Liberty, and the Franklin Half Dollar. Every half dollar struck before 1965 carries that same 90% silver composition.

The Walking Liberty Half Dollar (1916-1947) is widely considered the most beautiful design in the series. Augustus Saint-Gaudens’ influence is visible in the flowing figure of Liberty striding toward a rising sun. These coins circulated heavily, so most examples show wear – but even well-worn pieces carry roughly 0.3617 troy ounces of silver each.

The Franklin Half Dollar ran from 1948 through 1963 and shares the same silver content. Less celebrated visually than the Walking Liberty, Franklins are workhorses of the 90% silver world: affordable, widely available, and straightforward to value. At today’s spot price of $82 per ounce, the melt value of a single Franklin sits around $29.65.

The Kennedy Half Dollar and the 1965 Turning Point

President Kennedy’s assassination in November 1963 prompted the U.S. Mint to rush a new commemorative coin into production. The Kennedy Half Dollar launched in 1964, and the public response was extraordinary. The Treasury had allocated 70,000 coins for public sale – they disappeared almost immediately. Collectors and ordinary citizens hoarded them rather than spending them, which created a supply crisis that Congress could not ignore.

The Coinage Act of 1965 was the government’s answer. Rising silver prices had made it economically unsustainable to keep striking 90% silver coins for circulation. The act reduced the half dollar’s silver content from 90% to 40% and eliminated silver entirely from dimes and quarters. If you want to understand what year the US stopped making silver coins, 1964 is the last year for 90% silver half dollars – though 40% silver Kennedys continued through 1970.

The 1964 Kennedy Half Dollar stands alone. It is the only Kennedy struck at 90% silver, and collector demand has always been strong for high-grade examples. An MS-65 example commands a meaningful premium over melt value. A circulated example in average condition is still worth around $29-$30 in silver content alone.

40% Silver Kennedys (1965-1970): Still Worth Owning

Kennedy Half Dollars minted between 1965 and 1970 contain 40% silver and 60% copper. Each coin holds approximately 0.1479 troy ounces of silver. At $82 per ounce, that puts the melt value around $12 per coin – not dramatic, but real precious metal value in a circulated coin.

The 1970-D Kennedy Half Dollar deserves special attention. Very few were minted that year, and they were only included in mint sets – never released for general circulation. Finding one in a roll of old coins is unlikely. In most cases, 1970-D Kennedys trade for $30-$100 depending on condition, well above their silver melt value.

Special Collector Editions: The Exceptions After 1970

The shift to copper-nickel clad in 1971 was not absolute for every coin. Several special editions have been struck in silver since then:

• The 1976 Bicentennial Silver-Clad Half Dollar (40% silver) – issued for the nation’s 200th anniversary
• Silver Proof Kennedy Half Dollars from 1992 onward – sold directly by the U.S. Mint in proof sets
• The 2021-P Silver Kennedy Half Dollar – a modern silver issue for collectors

These are collector products, not circulation coins. They carry premiums above melt value and are typically sold in original government packaging. If you encounter one of these outside its original packaging, verify its authenticity carefully before paying a collector premium.

Walking Liberty Halves: The Collector’s Favorite

Among all 90% silver half dollars, Walking Liberty Half Dollars hold a special place. The series ran from 1916 through 1947, producing 65 date-and-mintmark combinations. Most are affordable in circulated grades, but a handful of key dates command serious premiums.

The 1921 Walking Liberty Half Dollar is the rarest date in the series. Low mintage figures across all three mint facilities that year make circulated examples difficult to find at reasonable prices. The 1921-D and 1921-S are similarly scarce. Collectors building a complete set will spend the most time and money chasing these three dates.

Live Silver Spot Price – Accurate Precious Metals Refineries

For investors focused on silver content rather than numismatic value, 90% junk silver halves offer an efficient way to accumulate silver by face value. Buying $1 face value in circulated 90% silver half dollars gives you approximately 0.7234 troy ounces of silver – a clean, well-understood unit that dealers and collectors alike recognize.

Identifying Genuine Walking Liberty Halves

Counterfeit 90% silver coins exist, particularly for high-value dates. A few checks reduce your risk significantly:

1. Weigh the coin. An authentic Walking Liberty Half Dollar should weigh 12.5 grams. Significant deviation is a red flag.
2. Check the reeding. The edge should have 150 reeds. Counterfeits often have inconsistent or poorly defined reeding.
3. Examine the details under magnification. The fine hair strands on Liberty’s head and the feather detail on the eagle should be crisp on genuine coins.
4. Purchase from reputable dealers. Buying from established dealers who assess coins for metal content and inspect for authenticity reduces risk substantially.

Collector Value vs. Melt Value: Know the Difference

Melt value is the floor – it tells you the minimum a coin is worth based purely on its silver content. Collector value is the ceiling, and it can be much higher for the right coin in the right condition.

A common-date 1964 Kennedy Half Dollar in circulated condition trades close to its melt value of about $30. The same coin graded MS-67 by PCGS or NGC can sell for hundreds of dollars. A 1966 Special Mint Set Kennedy with strong cameo contrast – where the devices appear frosted against a mirrored field – can fetch several hundred dollars regardless of its modest silver content.

Grading matters. The 70-point Sheldon scale assigns grades from Poor (P-1) to Perfect Mint State (MS-70). For silver half dollars, the difference between MS-63 and MS-65 can double or triple the price. Professional grading through PCGS or NGC provides an independent opinion that the market trusts, and it protects buyers from overgraded coins.

For a broader look at silver coin values and collectibles, the range of factors affecting price – mintage, condition, mint mark, and market demand – all interact in ways that pure melt-value calculations miss.

Common Mistakes Collectors Make (and How to Avoid Them)

One of the most persistent errors is treating all older coins as automatically valuable. A worn 1968 Kennedy Half Dollar in average condition is worth about $12 in silver – not much more. Context matters. Understanding silver coin values means looking at mintage numbers, condition, and current demand, not just age.

Buying and Selling Half Dollars: Practical Guidance

When buying, start with the spot price. Silver at $82 per ounce sets the baseline for any 90% or 40% silver half dollar. Reputable dealers price their inventory with transparent premiums above spot – typically a few dollars per coin for common circulated pieces, more for better-grade or key-date examples. If a seller cannot explain how they arrived at their price, that is a warning sign.

When selling, the same transparency applies in reverse. Selling silver coins to a specialist dealer almost always yields better results than selling to a pawn shop or general antique dealer. Precious metals specialists understand melt value, collector premiums, and current market conditions. They can also tell you whether a coin you think is common might actually have numismatic value worth preserving.

For collectors looking to maximize what they get for a silver coin collection, preparation matters. Organize coins by type and date, note any professional grades or original packaging, and get quotes from at least two buyers before committing.

Why Accurate Precious Metals Is the Right Partner

Accurate Precious Metals has been buying and selling precious metals for over 12 years from its Salem, Oregon location. With more than 1,000 five-star customer reviews and nationwide shipping, the company has built a reputation as one of the most trusted dealers in the country – and it is not a pawn shop. Every transaction is handled by precious metals specialists who understand the difference between a common circulated Franklin and a key-date Walker in MS-63.

For collectors buying half dollars, Accurate Precious Metals offers 90% junk silver halves and individual coins priced against live spot prices. Inventory spans coins, bars, and bullion across gold, silver, platinum, and palladium – with competitive online pricing updated in real time.

For sellers, the process is straightforward whether you are local or across the country. Salem-area customers can visit the physical location on Cottage Street for in-person appraisals and same-day payment. Customers anywhere in the U.S. can use the mail-in service – Accurate Precious Metals sends a free insured shipping kit, evaluates your coins or jewelry with GIA-certified appraisers, and processes payment quickly. The mail-in option works for everything from rolls of junk silver to estate jewelry to scrap gold.

Accurate Precious Metals is also an NGC Authorized Dealer, which means collectors can submit coins for professional grading directly through the company. For anyone building a serious collection of silver half dollars, that access simplifies the grading process considerably.

If you have questions before buying or selling, call (503) 400-5608 or visit AccuratePMR.com to browse current inventory and live pricing.

Frequently Asked Questions

Sources

1. Sebastian Charles – Silver Half Dollar Values and Composition
2. APMEX Learning Center – U.S. Half Dollar Silver Content Guide
3. BullionMax – Kennedy Half Dollar History and Silver Eras
4. Wikipedia – Half Dollar (United States)
5. National Park Service – Coinage Act of 1965
6. PCGS – Professional Coin Grading and Half Dollar Registry