1999-P Connecticut Quarter Value: Is Your Coin Worth Money?

The 1999-P Connecticut Quarter is worth anywhere from its face value of $25 cents in worn condition to over $600 in high-grade mint state. While most of these coins found in pocket change are common, certain rare errors and pristine specimens can fetch a significant premium from collectors.

Condition / Grade	Estimated Market Value
Circulated (Average Wear)	$0.25 – $0.50
About Uncirculated (AU)	$0.75 – $1.50
Mint State 65 (Uncirculated)	$5.00 – $12.00
Mint State 67 (High Grade)	$30.00 – $65.00
Mint State 68+ (Rare Specimen)	$600.00+

History of the 1999-P Connecticut State Quarter

The Connecticut Quarter was the fifth coin released in the historic 50 State Quarters Program, rounding out the inaugural year of 1999. If you have recently discovered one of these in your change, you might be wondering about its history. It features the famous Charter Oak, a giant white oak tree that played a pivotal role in American colonial resistance against British rule in 1687.

For everyday Americans looking to identify their finds, using a top coin identifier app can help you distinguish between a common pocket piece and a potential treasure. The Philadelphia Mint (indicated by the “P” mint mark) produced over 685 million of these coins, making them extremely common in general circulation.

However, because 1999 was the first year of the program, many people hoarded these coins, hoping they would become instant rarities. While hoarding kept many in good condition, it also means that only the absolute highest-graded examples or coins with distinct “minting accidents” hold significant value today. Using the CoinKnow app can help you quickly scan your coins to see if they possess any of these rare traits.

Grading and 1999-P Connecticut Quarter Price Trends

When determining the price of a quarter, professional numismatists look at “grade.” Grade refers to the level of wear and tear on the coin’s surface. For the 1999-P Connecticut issue, a coin that has spent years in vending machines and pockets will likely never be worth more than 25 cents. Collectors are looking for “Mint State” (MS) coins that look like they just came off the press.

Current 1999-P state quarter price data suggests that the market remains strong for coins graded MS67 and higher. At these levels, the luster must be full, and there should be virtually no scratches on the Charter Oak design or George Washington’s face.

The gap between a common MS63 coin and a rare MS68 is massive. While an MS63 might sell for a few dollars, an MS68 can jump into the hundreds of dollars because so few survived the high-speed minting process without picking up “bag marks” from hitting other coins.

MS Grade	P-Mint (Philadelphia)	D-Mint (Denver)
MS63	$1.00	$1.00
MS65	$10.00	$8.00
MS67	$45.00	$35.00
MS68	$650.00	$250.00

Valuable 1999 Connecticut Quarter Errors to Look For

If your coin isn’t in perfect condition, don’t worry—you might still have a winner if it features a mint error. Error coins occur when something goes wrong during the manufacturing process. For the Connecticut series, several known errors can drastically increase the value of your find.

One of the most sought-after errors is the “Broadstruck” error, where the coin is struck without its retaining collar, causing it to look flatter and wider than a normal quarter. Another common find is the “Off-Center Strike,” where the design is pushed to one side, leaving a blank crescent on the edge.

To get a better idea of what these mistakes look like, you can check current 1999 Connecticut quarter value info for error auctions. Even a minor clip or a die crack (appearing as a small raised line of metal) can turn a 25-cent coin into a $20 to $50 collectible. If you find something odd, the CoinKnow app image recognition feature can be an excellent first step in identifying if your coin is a genuine error or just post-mint damage.

The Importance of the P Mint House Mark

The “P” on your 1999 Connecticut Quarter stands for the Philadelphia Mint. In the world of modern quarters, the mint mark can sometimes dictate rarity, though for 1999, both Philadelphia and Denver produced massive quantities. Philadelphia-minted coins from this era generally had slightly lower strike quality than Denver coins, making high-grade “P” coins more desirable for collectors.

When looking at the obverse (the heads side), the “P” is located to the right of George Washington’s ponytail. If you find a coin with no mint mark at all, it’s not a rare error for this year—it simply means it was minted in Philadelphia before they used the P mark consistently on all denominations, although by 1999, the P was standard for quarters.

Collectors often try to complete “State Quarter Maps” or albums. Because many of these sets were started in 1999, there is a consistent demand for clean, shiny 1999-P Quarters to fill those slots. If you have a roll of these in your attic, keeping them in the original paper wrapper is essential for preserving their value.

Mint Mark	Location	Mintage Figure
P (Philadelphia)	Right of Mint Date/Neck	685,044,000
D (Denver)	Right of Mint Date/Neck	659,076,000
S (San Francisco)	Right of Mint Date/Neck	3,713,359 (Proof)

How to Safely Store Your 1999 State Quarters

If you believe you have found a 1999-P Connecticut Quarter worth money, how you handle it next is critical. Collectors never clean their coins. Cleaning a coin with chemicals or even a soft cloth can create microscopic scratches that destroy the “mint luster,” instantly reducing its value by 50% or more.

Instead, hold the coin only by its edges. Fingers have natural oils that can cause “toning” or dark spots over time. For coins you suspect are high-grade, place them in a PVC-free plastic flip or a cardboard “2×2” holder. This protects the surface from humidity and physical scratches.

The CoinKnow app is a great resource for learning more about proper coin preservation and finding local dealers who might be interested in your collection. Remember, a coin’s value is only realized when it is sold, so keeping it in pristine condition is the only way to ensure you get the top market price when you’re ready to part with it.

Summary of Connecticut Quarter Collectibility

The 1999-P Connecticut Quarter is a staple of American numismatics. While it may not make you a millionaire overnight, it serves as a wonderful entry point into the hobby of coin collecting. Most examples found today are worth exactly 25 cents, but the thrill of the hunt lies in finding those rare exceptions.

Whether it is a beautiful MS68 specimen that escaped the wear of circulation or an unusual striking error that skipped past quality control, there is always a chance that the change in your pocket is worth more than its face value. Keep an eye out for that Charter Oak design and always check your mint marks!

FAQ

Q: Is the 1999-P Connecticut Quarter made of silver?

A: No, standard 1999-P Connecticut Quarters found in circulation are made of a copper-nickel clad composition. Only specific “S” mint mark Proof quarters from San Francisco were minted in 90% silver for collectors.

Q: What is the most expensive 1999-P Connecticut Quarter ever sold?

A: An exceptionally rare 1999-P Connecticut Quarter graded MS68 by PCGS sold at auction for over $2,000 in the past. Prices fluctuate based on market demand, but high-grade specimens are the most valuable.

Q: How can I tell if my 1999-P Quarter has an error?

A: Look for abnormalities like double letters, a missing rim, or parts of the design that appear shifted. Using a magnifying glass or a coin-scanning app like CoinKnow can help you spot these fine details that aren’t visible to the naked eye.

Q: Why is it called the “Charter Oak” quarter?

A: The design depicts a famous oak tree in Hartford, Connecticut, where colonial leaders hid the state’s Royal Charter in 1687 to prevent British agents from seizing it, making it a symbol of American independence.