The 1928-S Walking Liberty Half Dollar is worth anywhere from $15 in worn condition to over $15,000 in top-tier mint state. Whether you found one in an old jar or inherited a small collection, understanding the San Francisco mint mark’s impact is key to knowing your coin’s true market price.

Condition	Estimated Value
Good (G-4)	$15 – $20
Fine (F-12)	$25 – $35
Extremely Fine (XF-40)	$90 – $150
Uncirculated (MS-60+)	$450 – $15,000+

Understanding the History of the 1928-S Walking Liberty Half Dollar

The Walking Liberty Half Dollar is widely considered one of the most beautiful coins ever minted in the United States. Designed by Adolph A. Weinman and first released in 1916, it captures a sense of American optimism. However, by 1928, the Great Depression was looming, and the San Francisco mint was the only one to produce half dollars that year.

Because no half dollars were minted in Philadelphia or Denver in 1928, the “S” mint mark version is the only one you will find for this specific date. This makes it a “key date” or at least a semi-key date for collectors. If you are unsure if you have a genuine piece, using a top coin identifier app can help you confirm the date and mint mark placement instantly.

The 1928-S has a relatively low mintage of 1,940,000. While this sounds like a lot, most were heavily circulated. Finding one in high-grade condition is a challenge for even seasoned numismatists. CoinKnow users often report that finding these in high grades is the “holy grail” of their local estate sale hunts.

How Grading Impacts the 1928-S Half Dollar Value

The value of your 1928-S Walking Liberty is primarily determined by its grade. A coin that has been carried in pockets for years will lose the fine details in Lady Liberty’s gown and the eagle’s feathers. Collectors pay a massive premium for coins that look like they just came off the printing press.

In low grades, the coin’s value is tied closely to its silver content, though its scarcity as a 1928-S keeps it slightly above “melt” value. As you move into “About Uncirculated” or “Mint State” categories, the price jumps exponentially. For instance, a small jump from MS-63 to MS-65 can mean a difference of thousands of dollars.

When assessing your coin, look closely at the “sun” on the bottom left and the lines on Liberty’s dress. If these are flat and smooth, the coin is in “Good” or “Fine” condition. If the lines are crisp and the luster (the shiny “new” look) is present, you may have a valuable treasure. You can check the latest 1928-S Walking Liberty MS price data to see how much premium collectors are currently paying for uncirculated examples.

Grade Range	Technical Description	Average Price
VG-8 to F-12	Clear date, worn rims, Liberty’s body is flat.	$20 – $35
VF-20 to XF-45	Details in the dress visible; eagle has feather detail.	$45 – $220
AU-50 to AU-58	Trace wear on high points; some original mint luster.	$350 – $450

Identifying the “S” Mint Mark on Your 1928 Half Dollar

For everyday people who aren’t coin experts, identifying the mint mark is the first step. For the 1928 Walking Liberty, there is only one possibility: the San Francisco mint mark. You can find this small “S” on the reverse side (the back) of the coin.

Look at the bottom left of the eagle’s side, near the rim. You should see a small “S” stamped there. If there is no mint mark, then you likely have a different year, as all 1928 half dollars were struck in San Francisco. Be careful not to confuse dirt or damage with the mint mark.

If you are having trouble seeing the small letter, the CoinKnow app uses high-resolution imaging to zoom in and identify these markers for you. Many people overlook these small details, but when it comes to the current 1928 half dollar value, that tiny “S” and the condition of the coin are everything.

Silver Content and Intrinsic Worth

Even if your 1928-S Walking Liberty is in poor, “cull” condition, it is never worthless. These coins were minted from 90% silver and 10% copper. Each coin contains approximately 0.36169 troy ounces of pure silver.

This means that as the price of silver goes up on the global stock market, the minimum value of your coin also rises. You should never sell your 1928-S for less than its weight in silver. However, because it is a 1928-S, its numismatic (collector) value is almost always significantly higher than its silver weight.

For families cleaning out an attic or settling an estate, it is vital to separate these silver halves from modern “clad” halves (minted after 1964) which contain no silver. CoinKnow can help you distinguish between silver and non-silver coins in seconds, preventing you from accidentally spending a valuable silver coin at the grocery store.

Metal Type	Percentage	Silver Weight
Silver	90%	0.3617 oz
Copper	10%	–

Common Errors and Varieties of the 1928-S Half Dollar

While the 1928-S doesn’t have many famous “major” errors like the 1955 Doubled Die Penny, collectors often look for minor variations. These include “re-punched” mint marks (RPMs) or small die cracks. While these don’t always add thousands of dollars, they can make a coin more desirable to a specialist.

The most important thing for a casual owner to look for is “strike quality.” Because the S-mint coins of this era were often struck with worn dies, some 1928-S coins look “soft” or blurry even if they aren’t worn down from circulation. A “sharp strike”—where all the details of Liberty’s hand and the eagle’s leg are clear—is very rare and demands a much higher price at auction.

Before you sell, ensure your coin hasn’t been “cleaned.” Many people think they are helping by scrubbing the coin with silver polish or a cloth to make it shiny. In the coin world, cleaning a coin actually ruins its value! A dirty, original coin is worth much more than a shiny, scratched-up cleaned one.

Where to Sell Your 1928-S Walking Liberty Half Dollar

If you discover that your coin is in excellent condition, your best bet for getting top dollar is through a reputable auction house or a certified coin dealer. For coins that appear to be in “Mint State” (MS), you should consider having them graded by a professional service like PCGS or NGC.

For common, circulated versions worth $20 to $50, local coin shops or online marketplaces are often the easiest route. However, always do your research first. Knowing the current market trends helps you negotiate.

Always remember that dealers need to make a profit, so they will offer you slightly less than the “retail” price you see online. If you want the absolute highest price, selling directly to another collector through a specialized forum or auction is usually the way to go.

FAQ

Q: Why is 1928 a special year for Walking Liberty Half Dollars?

A: 1928 is unique because the San Francisco Mint was the only facility that produced half dollars that year. Because Philadelphia and Denver did not produce any, the 1928-S is the only option for collectors completing a year-by-year set.

Q: Should I clean my 1928-S Half Dollar to make it worth more?

A: No! Never clean your coins. Collectors prefer the natural “patina” or toning that comes with age. Cleaning creates microscopic scratches that can reduce the coin’s value by 50% or more.

Q: How can I tell if my coin is authentic?

A: Real 1928-S Walking Liberty halves are made of 90% silver and should weigh approximately 12.5 grams. They should also not be magnetic. If a magnet sticks to your coin, it is a fake usually made of steel or iron.

Q: Where is the mint mark on the 1928-S?

A: The “S” mint mark is located on the reverse (back) side of the coin. Look at the lower left area, just above the rim and to the left of the rock the eagle is perched on.