The 2006-P North Dakota State Quarter is worth anywhere from its face value of $0.25 in circulated condition to over $600 for rare high-grade specimens. While most of these coins found in your change are only worth twenty-five cents, certain “Mint State” versions and error coins can be quite valuable to collectors.

Condition / Grade	Estimated Value
Circulated (Average Wear)	$0.25
About Uncirculated (AU58)	$0.30 – $0.50
Mint State (MS65)	$2.00 – $5.00
Mint State (MS67+)	$50 – $600+

History of the 2006-P North Dakota State Quarter

The North Dakota State Quarter was the 39th coin released in the United States Mint’s famous 50 State Quarters Program. Launched in 1999, this program honored each state in the order they ratified the Constitution or joined the Union. North Dakota joined on November 2, 1889, and its commemorative coin was released in 2006. If you are trying to identify this coin or others in your collection, using a top coin identifier app can save you hours of research by instantly recognizing the design and mint mark.

The North Dakota quarter was struck at the Philadelphia Mint (denoted by the “P” mint mark), the Denver Mint (“D”), and the San Francisco Mint (“S”). The Philadelphia Mint produced hundreds of millions of these coins, making them a common sight in American pockets. However, just because they are common doesn’t mean every coin is the same. CoinKnow helps users distinguish between a common coin and a rare strike that might be hidden in a jar of spare change.

The design of the reverse features two grazing American Bison in front of a sunset view of the rugged Badlands. This imagery pays homage to the state’s natural beauty and its history with the American Buffalo. The phrase “E Pluribus Unum” as well as the state’s name and the year 1889 appear on the back. While the artwork is beautiful, collectors look for specific condition details to determine the final 2006 quarter worth and market pricing.

Analyzing the 2006-P North Dakota Quarter Value by Grade

To determine the value of your 2006-P North Dakota quarter, you must first assess its “grade.” Grading is the process of determining how much wear and tear a coin has suffered. Most quarters found in your wallet are “Circulated,” meaning they have scratches and smoothed-out details from being used in vending machines and cash registers. These coins are generally worth exactly 25 cents.

However, if you find a coin that looks like it just came from the bank—with a bright, mirror-like luster and no visible scratches—it might be “Uncirculated” or “Mint State” (MS). These are the coins that collectors pay a premium for. For example, a 2006-P North Dakota quarter graded at MS66 might sell for $10, but one graded at MS68 can reach several hundred dollars at auction.

MS Grade	P (Philadelphia) Value	D (Denver) Value
MS63	$1.00	$1.00
MS65	$5.00	$4.00
MS67	$35.00	$25.00
MS68	$500+	$150+

By using the CoinKnow app, you can compare your coin against high-resolution images of various grades to see where yours fits. It is important to note that the current high-grade pricing for 2006 quarters remains volatile, often depending on how many coins of that grade have been certified by professional services like PCGS or NGC.

Mint Marks and Production Numbers

The mint mark on a 2006 North Dakota quarter is located on the right side of the obverse (heads side), just behind George Washington’s ponytail. The “P” indicates it was minted in Philadelphia. In 2006, the Philadelphia Mint produced 305,800,000 North Dakota quarters. Because over 300 million were made, they are not inherently rare.

The Denver Mint (“D”) produced a similar amount—359,000,000 coins. Both the P and D versions were intended for general circulation. The San Francisco Mint produced “Proof” versions of the coin, which were sold in special sets for collectors. These proof coins have an “S” mint mark and are typically worth more than the P and D strikes found in change.

Even though the production numbers are high, the survival rate of these coins in perfect “Gem” condition is low. People used them to buy groceries and soda, causing the surfaces to get dinged and scratched. This is why a pristine, untouched 2006-P North Dakota quarter is a prize for serious numismatists.

Common Errors on the 2006 North Dakota Quarter

Error coins are the “holy grail” for many everyday hunters. When the minting machinery malfunctions, it can create unique pieces that are worth significantly more than 25 cents. For the 2006-P North Dakota State Quarter, several types of errors have been reported by collectors.

One common error to look for is the “Die Crack” or “Cud.” This happens when the metal die used to stamp the coin begins to break, leaving a raised line of extra metal on the surface of the quarter. Another interesting error is the “Double Die,” where the design appears slightly doubled. While no major, high-value double die has been officially recognized for this specific year, minor doubling on the bison’s features can still attract premium prices.

Error Type	Description	Estimated Value
Off-Center Strike	Design is not centered on the coin.	$20 – $100+
Die Crack	Raised lines of metal, often on the Bison.	$5 – $15
Wrong Planchet	Struck on metal intended for a different coin.	$500+

Tips for Collectors: How to Handle Your Quarters

If you find a 2006-P North Dakota quarter that looks exceptionally shiny, stop! Do not clean it. One of the biggest mistakes beginners make is trying to “shine up” an old coin with soap, water, or polish. Cleaning a coin creates microscopic scratches on the surface, which ruins its numismatic value. A cleaned coin will almost always be worth less than an uncleaned one.

Instead, handle the coin only by its edges. Fingers have natural oils and acids that can leave permanent fingerprints on the delicate metal surface. Place the coin in a cardboard flip or a plastic coin holder to protect it from the air and moisture. Understanding these basics is part of the fun of the hobby. CoinKnow offers a wealth of information for new collectors on how to preserve their finds for the future.

Lastly, keep an eye on the auction market. The value of state quarters can fluctuate based on supply and demand. Currently, there is a growing interest in the 2000s era of quarters as younger collectors enter the hobby. A coin that is worth $5 today might be worth $20 in a decade as high-quality examples become harder to find.

Conclusion: Is Your North Dakota Quarter a Treasure?

In summary, while most 2006-P North Dakota State Quarters are only worth their face value, the potential for a “hidden gem” always exists. By looking for the “P” mint mark, checking for mint-state luster, and scanning for errors like die cracks or off-center strikes, you might just find a coin worth significantly more than twenty-five cents.

Always remember that professional grading is the only way to officially confirm a high-grade value, but you can do a lot of the initial work yourself. Whether you are a casual hunter or a dedicated numismatist, these bison-themed coins are a beautiful piece of American history that deserve a second look before you spend them.

FAQ

Q: Where is the mint mark on the 2006 North Dakota quarter?

A: The mint mark is on the “heads” side (obverse) of the coin. It is located just to the right of George Washington’s ribbon at the back of his hair. You will see a small “P” for Philadelphia, “D” for Denver, or “S” for San Francisco.

Q: Are all 2006-P North Dakota quarters valuable?

A: No, most are only worth $0.25. To be worth more, the coin needs to be in “Mint State” condition (never used in circulation) or have a significant minting error.

Q: What is the highest price ever paid for a 2006-P North Dakota quarter?

A: While prices change, a 2006-P North Dakota quarter graded MS68 by PCGS has sold for over $600 at auction. These high prices are only for coins in near-perfect condition.

Q: Should I look for “S” mint marks?

A: Yes! Coins with the “S” mint mark are proof coins from San Francisco. They were not made for general circulation and are generally worth at least $1.00 to $5.00, even in standard condition, and more if they are the 90% silver version.