The 1943-S Washington Quarter is worth anywhere from $8 in worn condition to over $15,000 for rare, high-grade specimens. While millions were minted during the height of World War II, finding one in pristine condition today is a challenge that can lead to a significant payday for lucky collectors.

Condition	Estimated Value
Good to Very Fine (Circulated)	$8 – $15
About Uncirculated (AU)	$20 – $35
Uncirculated (MS60 – MS64)	$40 – $75
Gem Mint State (MS67+)	$500 – $15,000+

History of the 1943-S Washington Quarter

In 1943, the United States was deeply involved in World War II. The San Francisco Mint was busy striking silver quarters to keep the economy moving as soldiers were deployed overseas. Digging through your loose change or an old jar of coins might reveal a piece of this history. If you aren’t sure what you’re looking at, using a top coin identifier app like CoinKnow can help you distinguish between a common quarter and a rare minting error in seconds.

The 1943-S Washington Quarter is composed of 90% silver and 10% copper. Because of its silver content, any 1943 quarter has “melt value” that is significantly higher than its 25-cent face value. However, the “S” mint mark makes this particular year more interesting to collectors.

During the war years, the San Francisco Mint typically produced fewer coins than the Philadelphia or Denver Mints. While 1943 saw a relatively high production for San Francisco—over 12 million coins—many were heavily circulated. Finding a 1943-S today that looks like it just came off the press is where the real money lies.

Identifying the S Mint Mark and Silver Content

To determine the 1943-S Washington Quarter value, you first need to confirm it actually came from San Francisco. Turn the coin to the reverse (the back side with the eagle). Look just below the center of the wreath that the eagle is perched upon. If you see a small letter “S,” congratulations—you have a San Francisco strike.

If there is no letter, it was minted in Philadelphia. If there is a “D,” it was minted in Denver. While all 1943 quarters are 90% silver, the “S” mint mark is often more sought after by those building complete sets of Washington quarters.

Because these coins are made of precious metal, they feel and sound different than modern quarters. If you drop a 1943-S quarter on a wooden table, it will make a high-pitched “ring” rather than the dull “thud” of a modern copper-nickel clad coin. Using tools like CoinKnow can help you verify these physical characteristics and ensure you aren’t looking at a counterfeit.

Feature	Specification
Composition	90% Silver, 10% Copper
Silver Weight	0.1808 troy oz
Diameter	24.3 mm
Mint Mark Location	Reverse, below the wreath

Determining Value Based on Condition and Grade

The single most important factor in your coin’s worth is its condition. In the numismatic world, we use a 70-point scale. Most coins found in old piggy banks are “Circulated,” meaning they have scratches, worn-down details on Washington’s hair, or smoothed-over feathers on the eagle.

A coin in “Good” condition is heavily worn but has a clear date. This is worth roughly its silver weight. However, as you move up to “About Uncirculated” or “Mint State,” the 1943-S quarter market values begin to climb rapidly.

For enthusiasts, the holy grail is the “Full Weaver” or coins with exceptional “Luster.” Luster is that frosty, satiny sheen that only appears on coins that haven’t been touched by human hands or circulated in commerce. If you think your coin has this shine, do not clean it! Cleaning a coin actually reduces its value by damaging the surface.

Rare 1943-S Double Die Errors and Varieties

Collectors are always on the hunt for “Errors.” In 1943, several striking errors occurred that can turn an $8 coin into a $500 treasure. The most famous is the Doubled Die Obverse (DDO). This happens when the die used to stamp the coin has a doubled image.

Look closely at the words “IN GOD WE TRUST” or the date “1943” with a magnifying glass. If you see a faint second outline of the letters or numbers, you might have discovered an error. These errors are highly prized because they are rare accidents of the minting process.

Another thing to look for is “Repunched Mint Marks.” This is when the “S” was stamped twice on the die, often slightly offset. While not as valuable as a full doubled die, these variations still command a premium from specialized collectors. Keeping an eye on the latest 1943 quarter valuation trends will help you realize when an error coin is trending up in price.

Variety Type	Estimated Premium
Doubled Die Obverse (DDO)	$200 – $1,200+
Repunched Mint Mark (S/S)	$50 – $150
Die Break / Cuds	$20 – $100

Why the San Francisco Mint Quarters are Special

Historically, the San Francisco Mint was known for producing coins with sharp strikes and beautiful finishes. Because the climate in San Francisco is different from Philadelphia, coins stored there sometimes developed a unique “toning.” Toning is a natural oxidation process that can turn a silver coin shades of blue, rainbow, or sunset orange.

Collectors often pay huge premiums for “Rainbow Toned” 1943-S quarters. A standard MS67 quarter might sell for $500, but the same grade with vibrant natural toning could fetch over $2,000 at auction.

If you find a coin that looks “dirty” but has colorful swirls, do not try to wipe them off. That “dirt” might actually be rare toning that collectors crave. You can use CoinKnow to browse images of toned coins to see if yours matches the description of a high-value specimen.

How to Sell Your 1943-S Washington Quarter

Once you’ve identified your coin and estimated its value, you might want to sell it. For coins worth less than $20, a local coin shop or an online marketplace like eBay is usually your best bet. Because of the silver content, you are guaranteed at least the “junk silver” price, which fluctuates with the stock market.

For coins that appear to be in perfect condition or have an error, you should consider professional grading by services like PCGS or NGC. A certified grade “locks in” the value and makes the coin much easier to sell to high-end collectors.

Remember that selling to a dealer usually results in a lower price than selling directly to another collector, as the dealer needs to make a profit. However, dealers provide immediate cash and a safe transaction. Always do your research and check current price guides before walking into a shop so you know what a fair offer looks like.

Selling Method	Pros	Cons
Local Coin Shop	Instant cash, safe	Lower payout (wholesale)
Online Auction (eBay)	Market prices	Seller fees, shipping risks
Major Auction House	Best for high-value rarities	Long wait times, high commissions

FAQ

Q: Is every 1943 quarter made of silver?

A: Yes, all Washington quarters minted in 1943 are made of 90% silver. The U.S. Mint didn’t switch to the modern copper-nickel “sandwich” (clad) composition until 1965.

Q: Where is the mint mark on a 1943-S quarter?

A: You can find the “S” mint mark on the reverse side of the coin. Look at the bottom, directly below the eagle’s tail feathers and above the “R” in the word “QUARTER.”

Q: Should I clean my 1943-S quarter to make it worth more?

A: No! Never clean a collectible coin. Cleaning creates microscopic scratches that professional graders can detect instantly. A cleaned coin can lose up to 50% or more of its numismatic value.

Q: How much silver is in a 1943-S quarter?

A: Each quarter contains approximately 0.1808 troy ounces of pure silver. You can calculate the “melt value” by multiplying this number by the current spot price of silver.

Q: What is the highest price ever paid for a 1943-S Washington Quarter?

A: While prices fluctuate, a 1943-S Washington Quarter graded MS68 by PCGS has sold for over $17,000 at auction. Most high-value sales occur through major houses like Heritage Auctions.