1940-S Washington Quarter Value: Price Chart and Grading Guide

The 1940-S Washington Quarter is worth anywhere from $8 in worn condition to over $1,500 in high-end uncirculated grades. If you have recently discovered one of these silver coins in an old jar or a family collection, you are holding a piece of American history that carries significant precious metal value and collector interest.

Condition / Grade	Estimated Value
Good (G-4)	$7.50 – $9.00
Fine (F-12)	$10.00 – $12.00
Extremely Fine (XF-45)	$15.00 – $22.00
Uncirculated (MS-60)	$45.00 – $60.00
Gem Mint (MS-67+)	$1,000+

Historical Significance of the 1940-S Washington Quarter

The 1940-S Washington Quarter was struck at the San Francisco Mint during a pivotal era in American history. As the United States began to emerge from the Great Depression and looked toward the brewing conflict in Europe, the San Francisco Mint produced a relatively modest number of quarters compared to the main Philadelphia branch. Finding one in your pocket change today is highly unlikely, but many remain preserved in older collections.

If you are unsure whether your coin is a genuine San Francisco strike, using a top coin identifier app can help you confirm the mint mark and date. The “S” mint mark is located on the reverse side, just below the wreath that the eagle is perched upon. In 1940, total production for this specific mint reached only 3,928,000 coins, making it much scarcer than the Philadelphia version of the same year.

For modern collectors, the 1940-S represents the early years of the Washington design, which debuted in 1932. Many people use the CoinKnow app to catalog their silver holdings, as the 90% silver content ensures that even a heavily damaged coin maintains an inherent “melt value.” As of today, the silver content alone makes these coins worth significantly more than their 25-cent face value.

Understanding the Silver Content and Melt Value

Before diving into the collector’s premium, every owner of a 1940-S Washington Quarter should understand its composition. These coins are made of 90% silver and 10% copper. This means they are highly sensitive to the spot price of silver. Even if the coin is completely “slick” (worn flat with no visible details), it will still be worth its weight in silver.

Because the weight of a standard silver quarter is 6.25 grams, it contains roughly 0.1808 troy ounces of pure silver. When silver prices rise, the baseline value of your 1940-S quarter rises with it. Using CoinKnow allows you to track these fluctuations in real-time, ensuring you never sell a silver coin for less than its raw material worth.

Collectors, however, are rarely looking for “melt” coins. They seek specimens with sharp details on Washington’s hair and the eagle’s feathers. If your coin has a shiny, mirror-like luster and no scratches, you should consult these detailed 1940-S Washington Quarter MS prices to see how much of a premium your specific grade might command in the current market.

Grading Your 1940-S Washington Quarter

Grading is the process of determining the physical condition of a coin, which is the most critical factor in its valuation. For the 1940-S Washington Quarter, the difference between a coin that was used in grocery stores for years and one that was tucked away in a bank vault is thousands of dollars. Professional graders use a 70-point scale, where 1 represents a barely identifiable coin and 70 represents perfection.

In “Good” condition, the letters and date are legible, but the eagle on the back and Washington’s head are mostly flat outlines. In “Fine” or “Very Fine” condition, you will start to see some hair detail around the ear and distinct feathers on the eagle’s breast. “About Uncirculated” coins will have almost all details intact but might show slight dullness on the highest points from minimal handling.

Identifying the exact state of your coin is much easier with the help of the CoinKnow app, which provides visual comparisons for each grade. For those lucky enough to find a specimen that has never been spent, looking at the 1940-S Washington Quarter value data for Mint State coins will reveal that high-grade pieces (MS-66 and above) are the “holy grails” for series specialists.

Grade Group	Key Visual Characteristics
Circulated (G to VF)	Heavy wear, flat hair, smooth eagle breast.
Extra Fine (XF40)	Sharp hair details, minor wear on eagle’s wing tips.
Mint State (MS60-63)	No wear, but may have many small “bag marks” or scratches.
Gem Mint (MS65+)	Full original luster, very few blemishes, great eye appeal.

Rare Varieties and Mint Errors to Look For

While the standard 1940-S Washington Quarter is valuable, certain minting errors can send the price skyrocketing. During the 1940s, the minting process was less automated than it is today, leading to fascinating mistakes that collectors are willing to pay a premium for. One common area to check is the mint mark itself.

Look for “Repunched Mint Marks” (RPM). This occurs when the “S” was punched into the die more than once, showing a slight ghosting or doubling of the letter. Another error to watch for is a “Double Die,” where the letters of the motto “In God We Trust” or the date appear to have a secondary edge. These errors are rare, but they transform an ordinary $10 coin into a centerpiece worth hundreds.

If you suspect your coin has a strange feature or a doubling effect, magnification is key. Many collectors use high-resolution photos within an app to zoom in on these details. A confirmed error on a 1940-S quarter can significantly increase the demand from niche collectors who specifically hunt for San Francisco minting anomalies.

The “S” Mint Mark: Why San Francisco Matters

In the world of coin collecting, the mint mark often dictates the rarity. Historically, the San Francisco Mint produced fewer coins for circulation than Philadelphia (which has no mint mark) or Denver (marked with a “D”). For the year 1940, Philadelphia produced over 35 million quarters, while San Francisco produced under 4 million.

This nearly 10-to-1 ratio is why a 1940-S is generally more desirable than a 1940 (P). When demand from collectors remains steady but the supply is low, prices naturally rise. This is particularly true for “Roll Hunters” and silver stackers who are looking to complete a full set of Washington Quarters from 1932 to 1964.

To see how the San Francisco mint mark affects the long-term price trends of your coin, keep an eye on auction results. Small shifts in the market can change the value of “semi-key” dates like the 1940-S. Always ensure your coin is stored in a PVC-free flip or capsule to prevent “tarnish” or “toning,” as San Francisco silver coins are often prized for their natural white luster.

Mint Branch	Mintage (1940)	Rarity Scale
Philadelphia (No Mark)	35,704,000	Common
Denver (D)	2,797,600	Scarce
San Francisco (S)	3,928,000	Semi-Key Date

Tips for Selling and Protecting Your Coin

If you have determined that your 1940-S Washington Quarter is in high-grade condition, your next step is protection. Silver is a soft metal and can be scratched easily. Never clean your coins! Cleaning a vintage silver quarter with polish or a cloth will actually strip away the microscopic surface layers and destroy its numismatic value, often reducing it to just its silver weight.

When you are ready to sell, you have several options. Local coin shops are great for quick cash, but they need to make a profit, so expect to receive about 60-70% of the book value. For high-value Mint State coins, online auctions or professional grading services like PCGS or NGC might be worth the investment. Providing clear photos and accurate descriptions will help you get the best price for your 1940-S quarter.

Finally, stay informed about the market. The value of classic American coinage fluctuates based on economic conditions and collector interest. By checking your collection against current price guides regularly, you can choose the perfect moment to sell or trade your 1940-S Washington Quarter for other treasures.

FAQ

Q: Where is the mint mark on a 1940-S Washington Quarter?

A: The mint mark is found on the reverse (back) of the coin. Look at the very bottom, below the center of the wreath that the eagle is holding. If there is a small “S”, it was minted in San Francisco.

Q: Is a 1940-S Quarter real silver?

A: Yes, all Washington Quarters minted from 1932 through 1964 are made of 90% silver and 10% copper. They are often referred to as “Junk Silver” if they are heavily worn, but they are highly valuable for their metal content.

Q: Should I get my 1940-S Washington Quarter professionally graded?

A: You should only consider professional grading if the coin is in “Uncirculated” condition and appears to be a high grade (MS-65 or better). For circulated coins worth under $20, the grading fees (usually $30-$50) would cost more than the coin itself.

Q: How much is a 1940-S Washington Quarter worth if it’s very worn?

A: Even in very worn condition, the coin is worth its “melt value,” which depends on the current price of silver. Usually, this is around $5 to $8, depending on the silver market.

Q: Why is my 1940-S Quarter darker than new ones?

A: Silver reacts with oxygen and sulfur in the air over time, creating a layer of oxidation called “toning.” Some collectors actually pay extra for beautifully toned coins that show hints of blue, gold, or purple. Regular circulation also adds grease and dirt, making the coin look grey or black.