The 2018-D Cumberland Island National Seashore Quarter is worth face value in circulated condition, but uncirculated examples can fetch anywhere from $1 to $5 or more, with top-grade specimens occasionally selling for $15 to $25 among collectors.
If you pulled one of these out of your change jar and wondered whether you’re sitting on something special, you’re in the right place. This guide breaks down exactly what the 2018-D Cumberland Island quarter is worth, what makes certain examples more valuable, and how to tell the difference between a common coin and one worth holding onto.
coin identifier and value app tools have made it easier than ever for everyday collectors to identify and value coins like this one without needing a degree in numismatics. Whether you found it in your pocket or inherited a jar of old coins, read on to find out what you’ve got.
—
What Is the 2018-D Cumberland Island Quarter?
The 2018-D Cumberland Island National Seashore Quarter is part of the America the Beautiful Quarters Program, a series launched by the U.S. Mint in 2010 to honor national parks and historic sites across all 50 states and U.S. territories.
Cumberland Island National Seashore is located off the coast of Georgia. It’s known for its wild horses, maritime forests, and pristine beaches — and the coin’s reverse design beautifully captures that natural spirit, featuring a scene of the island’s iconic landscape.
The “D” mintmark means this coin was struck at the Denver Mint. In 2018, the Denver Mint produced approximately 99,000,000 of these quarters — that’s 99 million coins. Because of that high mintage, most circulated examples are worth exactly 25 cents. However, coins in pristine uncirculated condition are a different story.
—
2018-D Cumberland Island Quarter Value by Condition
Condition is everything when it comes to coin value. A coin that looks fresh out of the mint is worth significantly more than one that’s been rattling around in someone’s pocket for years. Here’s a general breakdown:
| Condition | Grade (Sheldon Scale) | Estimated Value |
|---|---|---|
| Circulated (worn) | G-4 to EF-45 | Face value ($0.25) |
| About Uncirculated | AU-50 to AU-58 | $0.50 – $1.50 |
| Uncirculated | MS-60 to MS-64 | $1.00 – $5.00 |
| Gem Uncirculated | MS-65 to MS-67 | $5.00 – $25.00+ |
| Proof (special strike) | PR-69 to PR-70 | $10.00 – $40.00+ |
You can explore detailed America the Beautiful quarter price data by grade to see how similar coins from the same series have performed in recent sales.
The key takeaway here is that the higher the grade, the higher the value. A coin graded MS-67 or better by a professional grading service like PCGS or NGC could bring in surprising premiums.
—
Does the Mintmark Matter for the 2018 Cumberland Island Quarter?
Yes, mintmark can make a difference, though both the Philadelphia (P) and Denver (D) versions of this coin are common. The Denver Mint struck about 99 million, while the Philadelphia Mint struck around 89 million.
Neither version is considered rare. However, error coins — pieces struck with a doubled die, off-center strike, or missing clad layer — can be worth considerably more. If your coin looks a little “off” in any way, that might actually work in your favor.
For a broader look at what 2018 quarters are selling for across the board, this up-to-date guide on 2018 quarter values covers all five 2018 America the Beautiful designs and current market prices.
If you want to check your coin on the go, CoinHix is a highly rated app that gives you real-time coin prices, mintage data, and grading guidance — all from your phone.
—
How to Check If Your Coin Is Worth More
Here are a few simple steps to assess your 2018-D Cumberland Island quarter:
First, look at the coin under good lighting or a magnifying glass. Check the edges, the surface, and the details of the design. A coin with no scratches, full luster, and sharp detail is in much better shape than one that looks dull or worn flat.
Second, look for any oddities. Doubled lettering, a slightly tilted design, or an off-center strike are signs of a mint error. These can push the value well above typical range.
Third, consider getting it graded by PCGS or NGC if you believe it’s in gem condition. Professionally graded coins sell for more because buyers trust the assessment.
CoinHix makes it simple to look up any coin and see what graded examples have actually sold for — not just estimated values, but real auction results.
—
FAQ
Q: Is the 2018-D Cumberland Island quarter rare?
A: No, it is not considered rare. With a mintage of roughly 99 million, it’s a common coin. Most examples are only worth face value unless they are in uncirculated or gem condition.
Q: What makes a 2018 Cumberland Island quarter more valuable?
A: Higher grades, mint state condition, and mint errors are the biggest value drivers. A coin graded MS-67 or higher by a professional service can be worth $15 to $25 or more. Error coins can sometimes be worth even more depending on the type and severity of the error.
Q: How can I find out the exact value of my coin?
A: You can use a coin identifier and value app to get a quick estimate, or use CoinHix for real-time pricing based on recent sales. For a definitive value, consider submitting your coin to a third-party grading service like PCGS or NGC.