The United States Mint 50 State Quarters Program, running from 1999-2008, produced coins with unique designs for each country. While most of these quarters are standard and still in circulation, some special ones have found their way into the hands of collectors—and some are now worth more than $250,000!
In this article, we will examine the top 10 rare state quarters that may be lurking in your pocket, and how to identify them.
How to Identify and Value Rare State Quarters
To identify and value rare quarters:
- Check the Condition: Inspect your quarters for any signs of wear and tear. The higher-grade coins are typically more valuable.
- Look for Minting Errors: Minting errors such as extra leaves, doubled dies, and movements on incorrect planchets increase a coin’s rarity and value.
- Utilize Professional Grading Services: For rare or valuable quarters, it is miles better to have them graded professionally using a trained numismatic expert.
10 Rare State Quarters
1999-P Delaware State Quarter (Experimental Alloy)
The 1999-P Delaware quarter is one of the rarest, since some were made on an experimental alloy intended to be used on Sacagawea dollar coins. These coins are very valuable due to their rarity.
- Estimated Value: As high as $10,500 in high-grade specimens.

2003-P Maine State Quarter (High-Grade)
The 2003-P Maine quarter is rare in high-grade, especially in MS68. These coins are greatly sought after among collectors.
- Estimated Value: About $2,300 in MS68 grades.
2000-P South Carolina State Quarter (High-Grade)
2000-P South Carolina quarter is scarce, particularly in the MS69 grade. The coin ranks as one of the premier collectors’ tokens among serious coin hobbyists in the hunt for hard-to-find high-grade state quarters.
- Estimated Value: 1999-P Connecticut State Quarter (Struck on Sacagawea Planchet)
1999-P Connecticut State Quarter (Struck on Sacagawea Planchet)
The 1999-P Connecticut quarter struck on a Sacagawea dollar planchet is one of the most sought-after error coins in circulation. These coins are valuable due to the minting error.
- Estimated Value: Around $10,500 for MS69 grades.
2004-D Wisconsin State Quarter (Extra Leaf Low)
Some 2004-D Wisconsin quarters possess an extra leaf on the corn stalk, a feature referred to as “Extra Leaf Low.” This error makes the coin highly rare.
- Estimated Value: As much as $6,000 for MS67 grades.

1999-P Delaware State Quarter (High-Grade)
Another rare variety of the 1999-P Delaware state quarter is the high-grade version. These quarters are in extremely high demand due to their condition and rarity.
- Estimated Value: Approximately $4,888 for MS66 grades.
1999-P Pennsylvania (Experimental Alloy)
Similar to the Delaware quarter, some 1999-P Pennsylvania quarters were struck on Sacagawea dollar planchets, thereby providing an unusual and rare find.
- Estimated Value: About $2,520 for MS67 grades.
2008-D Oklahoma State Quarter (Low Mintage)
The 2008-D Oklahoma quarter has a relatively low mintage among the state quarters, thus a rare find among collectors.
- Estimated Value: Based on condition, varies; of higher grade are worth more.
2005-P Minnesota (Doubled Die)
The 2005-P Minnesota quarter contains a doubled die error that produces a distinct doubled image, particularly on the trees. The error is rare and valuable.
- Estimated Value: As much as $50 for doubling that can be seen.

2004-P Iowa State Quarter (Extra Design)
Some 2004-P Iowa quarters have an extra design element due to a defect in minting. They are rare and highly sought by collectors.
- Estimated Value: Depends on the severity of the design error.
Conclusion
While most nation quarters are quite mundane, a few rare editions are surprisingly valuable among collectors. Some of these quarters are able to earn fantastic prices, with some chance of prices going upwards of $250,000!
By knowledge how to identify these scarce country quarters and having them professionally graded, you may get the most out of their value or even make a likely valuable find. Look for these hidden gems to your spare change!
FAQ’s
How do I know if my state quarter is worth money?
Look for minting errors, unique design elements, or high-grade states. In cases of rare coins, consulting a professional numismatic service also becomes prudent.
Are all state quarters worth something?
No, most quarters are worth only face value. That being said, some unique minting errors or high-grade examples can be worth many times that amount.
Where can I sell my rare state quarters?
Yes